This Easy Mexican Casserole is the perfect comfort food for any occasion, blending savory ground beef, vibrant bell peppers, creamy Greek yogurt, and melted cheese. With the perfect mix of brown rice, refried beans, and spices, this dish offers a satisfying, hearty meal that is ready in just 30 minutes. If you’re searching for a quick Mexican casserole recipe, this one is loaded with flavor, and it’s easy to make ahead for busy weeknights or gatherings.
Whether you’re craving a filling beef casserole, a cheesy Mexican dinner, or a one-pot meal the whole family will love, this casserole is the answer. Make it with ground beef, cheddar cheese, and a blend of spices for that authentic Mexican taste. Ideal for serving with tortilla chips, sour cream, or a fresh side salad, this casserole is sure to become a staple in your dinner rotation. Get ready to enjoy a flavorful, cheesy, and satisfying meal everyone will crave!

This Easy Mexican Casserole is a hearty and flavorful dish that combines layers of seasoned ground beef, vibrant vegetables, brown rice, and creamy Greek yogurt, all topped with melted cheese. Perfect for a busy weeknight dinner, this casserole is not only easy to prepare but also incredibly satisfying.
Ingredients
- 2 cups cooked brown rice
- 1 tbsp olive oil
- 1 yellow onion, chopped
- 1 green bell pepper, chopped
- 1 red bell pepper, chopped
- 2 cloves garlic, minced
- 1 lb ground beef
- 2 tbsp chili powder
- 1 ยฝ tsp ground cumin
- ยฝ tsp salt
- ยฝ tsp ground black pepper
- ยผ tsp cayenne pepper
- 1 cup plain Greek yogurt
- 1 can reduced-fat refried beans
- ยพ cup grated cheddar cheese
- ยพ cup grated mozzarella cheese
- 1 can tomatoes with green chiles
- Fresh cilantro, chopped (for garnish)
- Chopped green onions (for garnish)
Instructions
- Preheat the Oven
- Preheat your oven to 350ยฐF (175ยฐC).
- Cook Vegetables
- In a medium-sized skillet, heat the olive oil over medium heat. Add the chopped onion and bell peppers, and cook for about 5 minutes until the vegetables begin to soften.
- Cook the Ground Beef
- Add the ground beef to the skillet, breaking it apart as it cooks. Stir in chili powder, cumin, salt, black pepper, and cayenne pepper. Continue cooking for about 5 minutes until the beef is browned and cooked through.
- Add the minced garlic and cook for another 1 minute, until fragrant.
- Mix Rice and Yogurt
- Stir in the cooked brown rice and Greek yogurt, mixing well to combine.
- Assemble the Casserole
- Spread the refried beans in the bottom of a baking dish. Layer the beef and rice mixture on top.
- Sprinkle the shredded cheddar and mozzarella cheese over the top, and then pour the can of tomatoes with green chiles over the cheese.
- Bake the Casserole
- Bake the casserole, uncovered, for 15 minutes, or until the cheese is melted and bubbly.
- Garnish and Serve
- Garnish the casserole with fresh cilantro and chopped green onions before serving.
Tips
- Make ahead: This casserole can be made ahead of time and stored in the refrigerator for up to 2 days. Simply reheat in the oven before serving.
- Use leftover rice: If you have leftover rice, this is a great recipe to repurpose it.
- Spice level: Adjust the cayenne pepper to your preference for more or less heat.
Variations and Substitutions
- Ground turkey or chicken: Swap out the ground beef for ground turkey or chicken for a leaner option.
- Vegan version: Use plant-based ground beef and vegan cheese to make this dish vegan-friendly.
- Add more veggies: Feel free to add extra vegetables like corn, zucchini, or black beans to the casserole for more flavor and nutrition.
FAQs
Can I use white rice instead of brown rice?
Yes, you can substitute white rice for brown rice, though brown rice adds a bit more fiber and texture.
Can I make this casserole ahead of time?
Yes, you can assemble the casserole a day in advance and refrigerate it until you’re ready to bake. Just increase the baking time by a few minutes if baking from cold.
Can I freeze the casserole?
Yes, this casserole freezes well. After baking, allow it to cool, then wrap it tightly in foil or plastic wrap and store it in the freezer for up to 3 months.
Serving Suggestions
- Serve this casserole with a side of guacamole, salsa, or sour cream for extra flavor.
- Pair with a simple side salad of mixed greens and a light vinaigrette for a complete meal.
- Enjoy with crispy tortilla chips for a fun, crunchy contrast.
Why Youโll Love This Recipe
This Easy Mexican Casserole is the perfect combination of creamy, cheesy, and savory with a delightful kick of spice. Itโs quick to make, customizable to your tastes, and guaranteed to satisfy everyone at the table. Whether youโre craving comfort food or looking for a simple, flavorful dinner, this casserole delivers in every bite.
Easy Mexican Casserole
6
servings20
minutes25
minutesIngredients
2 cups cooked brown rice
1 tbsp olive oil
1 yellow onion, chopped
1 green bell pepper, chopped
1 red bell pepper, chopped
2 cloves garlic, minced
1 lb ground beef
2 tbsp chili powder
1 ยฝ tsp ground cumin
ยฝ tsp salt
ยฝ tsp ground black pepper
ยผ tsp cayenne pepper
1 cup plain Greek yogurt
1 can reduced-fat refried beans
ยพ cup grated cheddar cheese
ยพ cup grated mozzarella cheese
1 can tomatoes with green chiles
Fresh cilantro, chopped (for garnish)
Chopped green onions (for garnish)
Directions
- Preheat the Oven
- Preheat your oven to 350ยฐF (175ยฐC).
- Cook Vegetables
- In a medium-sized skillet, heat the olive oil over medium heat. Add the chopped onion and bell peppers, and cook for about 5 minutes until the vegetables begin to soften.
- Cook the Ground Beef
- Add the ground beef to the skillet, breaking it apart as it cooks. Stir in chili powder, cumin, salt, black pepper, and cayenne pepper. Continue cooking for about 5 minutes until the beef is browned and cooked through.
- Add the minced garlic and cook for another 1 minute, until fragrant.
- Mix Rice and Yogurt
- Stir in the cooked brown rice and Greek yogurt, mixing well to combine.
- Assemble the Casserole
- Spread the refried beans in the bottom of a baking dish. Layer the beef and rice mixture on top.
- Sprinkle the shredded cheddar and mozzarella cheese over the top, and then pour the can of tomatoes with green chiles over the cheese.
- Bake the Casserole
- Bake the casserole, uncovered, for 15 minutes, or until the cheese is melted and bubbly.
- Garnish and Serve
- Garnish the casserole with fresh cilantro and chopped green onions before serving.



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