Mexican Rice Casserole: Your New Favorite Weeknight Delight

There’s a certain warmth that envelops you while preparing a comforting dish like Mexican Rice Casserole. The sizzling sound of onions and bell peppers coming to life in a hot skillet fills the kitchen with a melody of flavors, promising a delightful meal ahead. I first discovered this recipe during a busy week when takeout was starting to feel too repetitive. I craved something homemade, nourishing, and quick to prepare.

This vibrant casserole, layered with fluffy rice, seasoned proteins, and gooey melted cheese, met all my criteria.

Not only is it a breeze to whip up, but its versatility means you can tailor it to whatever you have on hand – whether you prefer a vegetarian version, a different protein, or a kick of spice. Picture a dish that brings family and friends together, all while being easy enough for a weeknight dinner. Join me in creating this mouthwatering Mexican Rice Casserole, where each bite guarantees comfort and satisfaction!

Why is Mexican Rice Casserole so popular?

Comforting Warmth: This dish wraps you in a cozy embrace, perfect for any weeknight meal.
Endless Customization: Whether you’re vegetarian or love meat, you can adjust the ingredients to suit your taste buds.
Quick and Easy: With simple prep and minimal cooking time, this meal is ready to serve in no time.
Crowd-Pleasing Appeal: It’s a flavorful favorite that’ll have your family and friends coming back for seconds!
Delicious Leftovers: Enjoy satisfying meals for days, as this casserole stores well in the fridge.
Perfect for Meal Prep: Assemble ahead for those busy nights when you crave homemade goodness without the fuss.

Mexican Rice Casserole Ingredients

For the Base

  • 1 tablespoon olive oil – Adds richness and helps sauté vegetables; vegetable oil or canola oil can be used as alternatives.
  • 1 medium yellow onion, chopped – Provides a savory base flavor; white or red onions can give a different twist.
  • 1 green bell pepper, chopped – Adds freshness and crunch; feel free to swap for red or yellow bell peppers for extra sweetness.
  • 2 cloves garlic, minced – Enhances depth of flavor; garlic powder (1/2 teaspoon) is a quick substitute if fresh garlic isn’t available.
  • 1 (14.5 ounce) can diced tomatoes, undrained – Contributes moisture and tanginess; use about 2 cups of fresh tomatoes if you prefer.
  • 1 (10 ounce) can diced tomatoes and green chilies (like Rotel), undrained – Adds a spicy kick; regular diced tomatoes can be used for a milder taste.
  • 1 (15 ounce) can black beans, rinsed and drained – Provides protein and fiber; switch with pinto or kidney beans for a different texture.
  • 1 (15 ounce) can corn, drained – Offers sweetness and texture; fresh or frozen corn works beautifully too.
  • 1 cup long-grain white rice, uncooked – The main structure ingredient for the casserole; substitute with brown rice or quinoa, adjusting cooking times.

For the Flavor

  • 2 cups chicken broth (or vegetable broth for vegetarian) – Adds depth to the flavor; using water creates a lighter dish.
  • 1 teaspoon chili powder – Provides warmth and spice; adjust to your taste or use taco seasoning for added flavor.
  • 1/2 teaspoon cumin – Enhances the Mexican flavor profile; feel free to omit for a milder version.
  • 1/4 teaspoon smoked paprika – Introduces a smoky flavor; regular paprika can give a lighter touch.
  • Salt and pepper to taste – Essential for seasoning; adjust according to your preference.

For the Topping

  • 1 cup shredded cheddar cheese – Melts beautifully for a comforting topping; Monterey Jack or vegan cheese can also be delicious alternatives.
  • 1/2 cup shredded Monterey Jack cheese – Adds creaminess; any melty cheese type can be used for variation.

This Mexican Rice Casserole recipe is wonderfully versatile, allowing you to create a dish tailored to your tastes while delivering mouthwatering flavors that will leave everyone asking for more!

How to Make Mexican Rice Casserole

  1. Sauté the Aromatics: Heat olive oil in a skillet over medium heat. Cook the chopped onion and bell pepper until softened, about 5-7 minutes. This creates a savory base that fills your kitchen with delicious aromas.

  2. Add Garlic: Stir in the minced garlic and cook for an additional minute. The garlic will enhance the dish’s flavor, making it even more inviting!

  3. Toast the Rice: Add the uncooked rice to the skillet, stirring with the vegetables for about 2 minutes. This toasting step adds a lovely nutty flavor to the rice.

  4. Incorporate Tomatoes and Chilies: Pour in the diced tomatoes and green chilies, mixing well. The moisture from the tomatoes will help cook the rice perfectly.

  5. Add Beans and Corn: Stir in the rinsed black beans and drained corn, ensuring they’re evenly distributed throughout the mixture. This boosts the protein and adds sweetness!

  6. Season Generously: Sprinkle in the chili powder, cumin, smoked paprika, salt, and pepper. Mix well, letting those vibrant flavors blend together beautifully.

  7. Add the Broth: Pour in the chicken broth (or vegetable broth for a vegetarian option). Bring everything to a boil, then cover and simmer on low for about 20 minutes, or until the rice is tender and has absorbed the liquid.

  8. Preheat Oven: While the rice cooks, set your oven to 350°F (175°C) to prepare for baking.

  9. Prepare Baking Dish: Grease a 9×13 inch baking dish with a little olive oil to prevent sticking.

  10. Transfer Mixture: Once the rice is cooked, pour the rice mixture into the prepared baking dish, spreading it evenly.

  11. Add Cheese: Generously top the rice mixture with shredded cheddar and Monterey Jack cheeses. This creates a deliciously cheesy layer when baked!

  12. Bake: Pop the casserole into the preheated oven and bake for 20-25 minutes until the cheese is melted and bubbly, forming a delightful golden crust.

  13. Rest and Serve: Let the casserole rest for a few minutes after baking. This helps the flavors settle and makes serving easier. Garnish with your favorite toppings!

Optional: Top with fresh cilantro or avocado slices for an extra burst of flavor!
Exact quantities are listed in the recipe card below.

Mexican Rice Casserole

Expert Tips for Mexican Rice Casserole

  • Prep Ahead: Assemble the Mexican Rice Casserole in advance and refrigerate. This makes busy weeknights a breeze, ready for baking whenever you are!
  • Layer Wisely: Ensure ingredients are evenly distributed for balanced flavors throughout; a spoonful of goodness in every bite is key!
  • Watch the Cheese: Keep an eye on baking time to prevent overcooking; you want the cheese melt, not a rubbery texture.
  • Rest is Best: Allow the casserole to cool for a few minutes after baking; this enhances the dish’s flavor and makes serving simpler.
  • Season to Taste: Adjust spices according to your preference; more chili powder can ramp up the heat, making it your perfect comfort meal!

Make Ahead Options

These Mexican Rice Casserole preparations are a dream for busy home cooks! You can assemble the entire casserole up to 24 hours in advance; just cover it tightly with plastic wrap and refrigerate. For best results, prepare and cool the filling completely before storing—it helps maintain texture and flavor. If you need a longer timeframe, you can freeze the unbaked casserole for up to 3 months. When you’re ready to enjoy, simply preheat your oven to 350°F (175°C) and bake the casserole straight from the fridge for about 35-40 minutes or from frozen for an hour or more, until heated through and the cheese is bubbly. With these make-ahead options, you can indulge in home-cooked comfort with minimal stress!

What to Serve with Mexican Rice Casserole?

For a delightful dining experience, elevate your meal with these perfect pairings that offer a variety of flavors and textures.

  • Sour Cream: A dollop adds creamy richness and balances the spices, making every bite smooth and luscious. It’s a classic accompaniment that enhances the casserole’s flavors beautifully.

  • Guacamole: This creamy, avocado-based topping introduces fresh, tangy notes that brighten up the dish, elevating it to new heights of flavor. Each scoop brings a satisfying creaminess.

  • Fresh Cilantro: Chopped fresh cilantro adds a burst of herbal brightness and a delightful crunch, cutting through the richness of the cheese and beans. It’s a refreshing garnish that brings everything together.

  • Pico de Gallo: This fresh salsa made with tomatoes, onions, and lime juice provides a zesty kick that complements the warmth of the casserole. Each spoonful adds a lively and refreshing element to your plate.

  • Cornbread: Fluffy, slightly sweet cornbread pairs beautifully with the savory casserole, adding a comforting texture that is perfect for soaking up flavorful juices. It’s a warm, nostalgic side dish that evokes home-cooked memories.

  • Mexican Street Corn Salad: This vibrant, creamy salad brings together corn, lime, cheese, and spices, offering a crunchy and tangy contrast to the softness of the casserole. It’s a great way to add fresh elements to your meal.

  • Black Beans: A side of seasoned black beans boosts the protein factor and offers a hearty texture that complements your Mexican Rice Casserole. They add depth and a rustic vibe to the overall meal.

  • Chips and Salsa: Crunchy tortilla chips served with a side of fresh salsa add a fun, crispy element to your meal. It’s a light, enjoyable way to start the meal while you’re waiting for the casserole to finish baking.

  • Lemonade or Iced Tea: A refreshing drink like homemade lemonade or iced tea perfectly complements the flavors of the casserole while offering a cooling effect for any heat from the spices.

  • Mexican Chocolate Cake: For dessert, a slice of rich Mexican chocolate cake offers a decadent end to your meal, with deep, satisfying flavors that harmonize with the festive nature of the main dish.

How to Store and Freeze Mexican Rice Casserole

Fridge: Store leftovers in an airtight container for up to 3 days. Reheat in the microwave or oven, adding a splash of broth to maintain moisture.

Freezer: You can freeze the Mexican Rice Casserole for up to 3 months. Cool completely before wrapping tightly in plastic wrap and then aluminum foil.

Reheating: When ready to enjoy, thaw overnight in the fridge. Bake at 350°F (175°C) until heated through, about 20-25 minutes.

Make Ahead: Assemble the casserole and store it in the fridge for up to 2 days before baking, making weeknight dinners a breeze!

Mexican Rice Casserole Variations

Feel free to get creative with this recipe; customizing it to your preferences will elevate your experience!

  • Vegetarian Delight: Substitute the ground beef with crumbled tofu or lentils for a hearty vegetarian option that still packs in protein.
  • Extra Veggies: Toss in zucchini, spinach, or corn for added texture and nutrition. It’s a great way to sneak in more greens!
  • Spicy Kick: Add diced jalapeños or a teaspoon of cayenne pepper if you prefer your casserole with an extra layer of heat.
  • Different Grains: Swap out white rice for quinoa or brown rice; adjust the cooking time and liquid accordingly for a nutty twist.
  • Cheese Lovers: Mix different cheeses like pepper jack for added spice or a blend of cheddar and gouda for a flavor bomb.
  • Smoky Flavor: Incorporate some chipotle in adobo sauce, adding a smoky depth to the dish that will leave a lasting impression.
  • Zesty Lime: Squeeze fresh lime juice over the top before serving for a refreshing brightness that complements the rich flavors.
  • Herb Infusion: Sprinkle chopped fresh cilantro or parsley on top just before serving to bring a fresh twist to each bite.

Let your taste buds lead the way on this delectable journey and make this Mexican Rice Casserole your very own!

Mexican Rice Casserole

Mexican Rice Casserole Recipe FAQs

What type of rice is best for Mexican Rice Casserole?
I recommend using long-grain white rice for the casserole, as it cooks evenly and absorbs flavors beautifully. If you’re looking for a healthier twist, you can use brown rice; just keep in mind that the cooking time will increase, usually needing about 40-45 minutes to become tender.

How do I store leftovers of the casserole?
Absolutely! Store any leftovers in an airtight container in the refrigerator for up to 3 days. When you’re ready to enjoy them again, simply reheat in the microwave or oven. If you’re reheating in the oven, consider adding a splash of broth to keep the casserole moist.

Can I freeze Mexican Rice Casserole?
Definitely! Cool the casserole completely before wrapping it tightly in plastic wrap followed by aluminum foil. This will help prevent freezer burn. It can be frozen for up to 3 months. Just be sure to thaw it in the fridge overnight before reheating.

What should I do if the rice is undercooked after baking?
No worries! If you find that the rice is still firm or undercooked, you can add a little more broth (about 1/4 cup) over the casserole and cover it with foil. Bake it at 350°F (175°C) for an additional 10-15 minutes, checking periodically. The extra moisture will help the rice finish cooking.

How can I make the casserole vegetarian?
Absolutely; making a vegetarian version is a breeze! Simply swap out the ground beef for crumbled tofu or an extra serving of beans for protein. Use vegetable broth instead of chicken broth, and be sure to choose a cheese alternative if you’re keeping it completely dairy-free.

What toppings can I use for the Mexican Rice Casserole?
The more, the merrier! Top with fresh cilantro, avocado slices, guacamole, or a dollop of sour cream for added richness. You can also sprinkle on some diced jalapeños for an extra kick or serve it with a side of salsa for a refreshing touch.

Mexican Rice Casserole

Mexican Rice Casserole: Your New Favorite Weeknight Delight

Mexican Rice Casserole is a comforting and customizable dish perfect for busy weeknights.
Prep Time 10 minutes
Cook Time 30 minutes
Resting Time 5 minutes
Total Time 45 minutes
Servings: 6 servings
Course: DINNER
Cuisine: Mexican
Calories: 450

Ingredients
  

For the Base
  • 1 tablespoon olive oil Adds richness and helps sauté vegetables; vegetable oil or canola oil can be used as alternatives.
  • 1 medium yellow onion, chopped Provides a savory base flavor; white or red onions can give a different twist.
  • 1 medium green bell pepper, chopped Adds freshness and crunch; feel free to swap for red or yellow bell peppers for extra sweetness.
  • 2 cloves garlic, minced Enhances depth of flavor; garlic powder (1/2 teaspoon) is a quick substitute if fresh garlic isn’t available.
  • 1 14.5 ounce can diced tomatoes, undrained Contributes moisture and tanginess; use about 2 cups of fresh tomatoes if you prefer.
  • 1 10 ounce can diced tomatoes and green chilies, undrained Adds a spicy kick; regular diced tomatoes can be used for a milder taste.
  • 1 15 ounce can black beans, rinsed and drained Provides protein and fiber; switch with pinto or kidney beans for a different texture.
  • 1 15 ounce can corn, drained Offers sweetness and texture; fresh or frozen corn works beautifully too.
  • 1 cup long-grain white rice, uncooked The main structure ingredient for the casserole; substitute with brown rice or quinoa, adjusting cooking times.
For the Flavor
  • 2 cups chicken broth Adds depth to the flavor; using water creates a lighter dish.
  • 1 teaspoon chili powder Provides warmth and spice; adjust to your taste or use taco seasoning for added flavor.
  • 1/2 teaspoon cumin Enhances the Mexican flavor profile; feel free to omit for a milder version.
  • 1/4 teaspoon smoked paprika Introduces a smoky flavor; regular paprika can give a lighter touch.
  • Salt and pepper to taste Essential for seasoning; adjust according to your preference.
For the Topping
  • 1 cup shredded cheddar cheese Melts beautifully for a comforting topping; Monterey Jack or vegan cheese can also be delicious alternatives.
  • 1/2 cup shredded Monterey Jack cheese Adds creaminess; any melty cheese type can be used for variation.

Equipment

  • skillet
  • baking dish
  • knife
  • cutting board

Method
 

Main Instructions
  1. Sauté the Aromatics: Heat olive oil in a skillet over medium heat. Cook the chopped onion and bell pepper until softened, about 5-7 minutes.
  2. Add Garlic: Stir in the minced garlic and cook for an additional minute.
  3. Toast the Rice: Add the uncooked rice to the skillet, stirring with the vegetables for about 2 minutes.
  4. Incorporate Tomatoes and Chilies: Pour in the diced tomatoes and green chilies, mixing well.
  5. Add Beans and Corn: Stir in the rinsed black beans and drained corn.
  6. Season Generously: Sprinkle in the chili powder, cumin, smoked paprika, salt, and pepper.
  7. Add the Broth: Pour in the chicken broth (or vegetable broth for a vegetarian option) and bring everything to a boil.
  8. Preheat Oven: While the rice cooks, set your oven to 350°F (175°C).
  9. Prepare Baking Dish: Grease a 9x13 inch baking dish with a little olive oil.
  10. Transfer Mixture: Once the rice is cooked, pour the rice mixture into the prepared baking dish.
  11. Add Cheese: Generously top the rice mixture with shredded cheddar and Monterey Jack cheeses.
  12. Bake: Pop the casserole into the preheated oven and bake for 20-25 minutes.
  13. Rest and Serve: Let the casserole rest for a few minutes after baking.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 60gProtein: 20gFat: 15gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 30mgSodium: 750mgPotassium: 800mgFiber: 10gSugar: 5gVitamin A: 500IUVitamin C: 50mgCalcium: 250mgIron: 3mg

Notes

Optional: Top with fresh cilantro or avocado slices for an extra burst of flavor! Leftovers store well in the fridge for up to 3 days.

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