If you’re searching for a comforting, crowd-pleasing dish that’s packed with bold flavors and wholesome ingredients, look no further than this Mexican Brown Rice Bake. With its colorful layers of hearty brown rice, savory beans, vibrant veggies, melty cheese, and zesty spices, this bake is the perfect blend of nutrition and indulgence. Whether you’re feeding a family or looking for satisfying leftovers, this casserole is bound to become a staple at your table. Trust me, once you try it, you’ll wonder how you ever lived without this recipe in your rotation!
Ingredients You’ll Need
The truly wonderful thing about Mexican Brown Rice Bake is that every ingredient has a delicious purpose. They’re easy to find and work together in harmony to bring out the richness, texture, and irresistible colors in every bite.
- Brown rice: Hearty and nutty, brown rice holds up beautifully when baked and adds whole-grain goodness.
- Black beans: They bring satisfying protein and a creamy texture that balances the dish.
- Corn kernels: Sweet pops of yellow color and a slight crunch brighten every forkful.
- Bell peppers: Red and green peppers add brightness and a gentle, juicy bite.
- Onion: The base of so many flavorful Mexican dishes, onion adds savoriness you can’t do without.
- Garlic: Just a couple of cloves amp up the depth and aroma of the entire bake.
- Crushed tomatoes: This gives a tangy, saucy backbone that holds everything together.
- Taco seasoning: A quick way to infuse chili, cumin, and oregano flavors without extra measuring.
- Shredded cheese: Melts into gooey, irresistible layers—cheddar, Monterey Jack, or a blend works great.
- Fresh cilantro: Optional, but sprinkling some on top right before serving adds fresh green color and zing.
- Olive oil: Used for sautéing and adding just a touch of richness to the vegetables.
- Salt and pepper: The little things make the difference—don’t forget to season to taste!
How to Make Mexican Brown Rice Bake
Step 1: Cook the Brown Rice
Begin by cooking your brown rice according to the package directions. I recommend slightly undercooking it on the stovetop, so it finishes perfectly in the oven with all the other ingredients. Spread it out on a tray to cool slightly while you prep everything else; this helps prevent it from getting mushy later.
Step 2: Sauté the Veggies
In a large skillet, heat a drizzle of olive oil over medium heat. Add the chopped onion and bell peppers, and sauté for about 5 minutes, until they’re softened and fragrant. Stir in the minced garlic and taco seasoning, letting the spices toast for just a minute for maximum flavor. This is where the base of the Mexican Brown Rice Bake gets its magic.
Step 3: Add the Beans, Corn, and Tomatoes
Mix the black beans, corn kernels, and crushed tomatoes into your sautéed vegetables. Let everything simmer together for about 3-4 minutes. This gives the flavors a chance to mingle and thicken slightly—your kitchen will start to smell irresistible!
Step 4: Assemble the Bake
Preheat your oven to 375 degrees Fahrenheit. In a large mixing bowl, combine the cooked brown rice and the veggie-bean mixture. Taste and season with salt and pepper. Transfer half of this mixture into a greased baking dish, sprinkle a layer of shredded cheese, then repeat with the remaining rice and vegetables, topping it all with more cheese. Layering is what gives this Mexican Brown Rice Bake its signature melty, cozy top.
Step 5: Bake and Finish
Cover the dish with foil and bake for 20 minutes, then remove the foil and let it bake another 10-15 minutes until the cheese is golden and bubbling. If you like a little extra color, you can broil the top for a minute at the end—just watch closely!
How to Serve Mexican Brown Rice Bake

Garnishes
No Mexican Brown Rice Bake is complete without a handful of fresh garnishes. Top each piping hot scoop with chopped cilantro, sliced green onions, diced avocado, or a dollop of sour cream for a fresh, cool contrast to the warm, cheesy bake.
Side Dishes
This bake is hearty enough to stand alone, but serving it alongside a crisp green salad with lime vinaigrette or a vibrant homemade salsa takes it up a notch. Warm flour or corn tortillas make a great companion if you want to scoop or roll up the rice mixture for extra fun.
Creative Ways to Present
You can get playful with the presentation! Serve the Mexican Brown Rice Bake right out of the dish family-style for a cozy weeknight meal, or spoon it into colorful bowls for easy, informal gatherings. For parties, try stuffing the bake into roasted poblano or bell pepper halves before the final bake—so pretty and personal-sized!
Make Ahead and Storage
Storing Leftovers
Mexican Brown Rice Bake tastes even better the next day! Simply let it cool to room temperature, then transfer to airtight containers and refrigerate for up to four days. The flavors deepen and meld beautifully over time, making lunch or dinner prep a breeze.
Freezing
This dish is freezer-friendly, too. Assemble the Mexican Brown Rice Bake as directed, but before baking, cover tightly and freeze for up to three months. Thaw overnight in the fridge before baking as usual, or freeze baked leftovers in single-serving portions for quick meals.
Reheating
To reheat, simply cover and warm in a 350 degree Fahrenheit oven until heated through (about 20 minutes for a whole dish). For single servings, use the microwave in short bursts, stirring occasionally so the rice heats evenly. Add a fresh sprinkle of cheese or a splash of water if it looks dry.
FAQs
Can I make Mexican Brown Rice Bake dairy-free or vegan?
Absolutely! Just swap in your favorite dairy-free cheese or leave off the cheese entirely and top with avocado or extra salsa. The dish is already vegetarian and very adaptable for vegan diets.
Can I use white rice instead of brown rice?
You can, but keep in mind that white rice is softer and cooks quicker, so reduce the initial stovetop cooking time to keep it from becoming mushy when baked.
What other vegetables can I add?
You can toss in zucchini, spinach, or chopped tomatoes if you have them on hand. This dish is great for using up leftover veggies—just chop them small and sauté with the onions and peppers.
Is this recipe spicy?
It’s mildly spiced thanks to the taco seasoning, but you can turn up the heat with extra jalapeños, fire-roasted diced tomatoes, or a pinch of cayenne if you love spice!
Can I prepare Mexican Brown Rice Bake ahead of time?
Yes! Assemble the bake up to a day in advance and store, covered, in the refrigerator. Just bake it when you’re ready to serve and dinner will be on the table in no time.
Final Thoughts
If you’re craving something filling, colorful, and bursting with flavor, you owe yourself a pan of Mexican Brown Rice Bake. It’s the ultimate comfort food for busy weeknights or easy entertaining. Give it a try, invite your favorite people over, and let this dish become a new go-to favorite in your kitchen!
Print
Mexican Brown Rice Bake Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 6 servings 1x
- Category: Main-course
- Method: Baking
- Cuisine: Mexican
- Diet: Vegetarian
Description
This Mexican Brown Rice Bake is a vibrant, hearty casserole loaded with wholesome brown rice, black beans, colorful veggies, and plenty of spices. Baked to perfection and topped with melty cheese, it’s a comforting crowd-pleaser that’s as nutritious as it is flavorful, making it ideal for meatless family dinners or meal preps.
Ingredients
For the Rice Base
- 2 cups cooked brown rice
- 1 (15 oz) can black beans, drained and rinsed
- 1 cup corn kernels (fresh, frozen, or canned and drained)
- 1 red bell pepper, diced
- 1 small red onion, diced
- 2 cloves garlic, minced
For the Sauce
- 1 (15 oz) can diced tomatoes, drained
- 1/2 cup tomato sauce
- 2 teaspoons chili powder
- 1 teaspoon cumin
- 1/2 teaspoon smoked paprika
- 1/2 teaspoon dried oregano
- 1/2 teaspoon salt, or to taste
- 1/4 teaspoon black pepper
For the Topping
- 1 cup shredded Mexican-blend cheese (or Monterey Jack/Cheddar)
- 1/4 cup chopped fresh cilantro (optional)
- Sliced jalapeños (optional)
Instructions
- Preheat the Oven – Preheat your oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish to prevent sticking.
- Prepare the Rice Base – In a large bowl, combine the cooked brown rice, black beans, corn, diced red bell pepper, red onion, and minced garlic. Stir until well mixed.
- Make the Sauce – In a separate bowl, mix together the drained diced tomatoes, tomato sauce, chili powder, cumin, smoked paprika, oregano, salt, and black pepper. Whisk to combine all the spices thoroughly.
- Combine and Assemble – Pour the sauce mixture over the rice and veggies. Stir well to ensure everything is evenly coated, then transfer the mixture to your prepared baking dish, spreading it into an even layer.
- Add Cheese and Bake – Sprinkle the shredded cheese evenly over the top. Cover loosely with foil and bake for 20 minutes. Then, remove the foil and bake for another 10 minutes, until the cheese is bubbly and golden.
- Garnish and Serve – Remove from the oven and let it cool for a few minutes. Top with chopped cilantro and sliced jalapeños if desired. Slice and serve warm, either as a main dish or a hearty side.
Notes
- For extra heat, add chopped chipotle peppers or a splash of hot sauce to the sauce.
- This bake is great for meal prep and tastes even better the next day.
- To make it vegan, use plant-based shredded cheese.
- You can substitute pinto beans or kidney beans for black beans if preferred.
- Leftovers store well in the refrigerator for up to 4 days and can be frozen for up to 2 months.
Nutrition
- Serving Size: 1/6 of bake
- Calories: 320
- Sugar: 5g
- Sodium: 520mg
- Fat: 8g
- Saturated Fat: 3g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 49g
- Fiber: 8g
- Protein: 13g
- Cholesterol: 12mg
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