Protein Burrito Casserole
This protein-packed burrito casserole combines shredded chicken, brown rice, black beans, corn, and salsa under melty cheese, making it a quick and filling weeknight dinner that's perfect for meal prep or potlucks.
I’ve made this protein-packed burrito casserole more nights than I can count when I needed something fast, filling, and freezer-friendly. It’s the kind of recipe that mends a busy weeknight dinner and feeds a crowd the next day—simple shredded chicken, brown rice, black beans, corn and salsa baked under a blanket of melty cheese. If you like one-pan convenience with big bold Tex‑Mex flavor, this casserole becomes a go-to. For a slightly different spin and nutritional breakdown, see my notes on a related protein burrito casserole that inspired this version.
Why you’ll love this dish
This casserole hits a sweet spot: it’s high in protein, budget-friendly, and cooks up with little hands-on time. Use leftover rotisserie chicken or quickly poach breasts on the weekend, and you’ll have a hearty meal in under an hour. It’s also easy to scale up for potlucks, and the flavors hold up well for leftovers or lunches.
Reasons to try it:
- Fast assembly with pantry staples and cooked chicken.
- Balanced meal: protein (chicken, beans), whole grains (brown rice), and veggies (corn, salsa).
- Kid-friendly flavors and easy to adapt for spicier or milder palates.
- Freezes and reheats beautifully — great for meal prep.
Step-by-step overview
Before you dive in, here’s what happens: toss shredded chicken with cooked brown rice, black beans, corn, salsa and spices. Spread the mixture in a greased 9×13-inch pan, top with shredded cheese, and bake until hot and bubbly. Total active time is mainly assembly — about 10–15 minutes — then 25–30 minutes in the oven.
This quick overview helps you prep everything at once: shred the chicken, measure the rice, rinse the beans, and have the salsa and spices at hand. When the oven’s ready you’ll assemble and bake.
What you’ll need
- 2 cups cooked chicken, shredded (rotisserie, poached, or baked)
- 1 cup cooked brown rice (short-grain or long-grain both work)
- 1 can black beans, rinsed and drained
- 1 cup corn (frozen and thawed or canned, drained)
- 1 cup salsa (mild, medium, or hot depending on taste)
- 1 teaspoon ground cumin
- 1 teaspoon chili powder
- 1 cup shredded cheese (cheddar or Mexican blend)
- Salt and pepper to taste
- Fresh cilantro for garnish (optional)
Notes and substitutions:
- Swap brown rice for white rice or cauliflower rice if you want lower carbs. For a dedicated low-carb, higher-protein option, check this low-carb, high-protein version.
- Use canned chicken in a pinch, or cook and shred chicken breasts or thighs — thighs add more richness.
- Add a diced bell pepper or a small onion sautéed beforehand for extra flavor and texture.
Step-by-step instructions
- Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with a little oil or nonstick spray.
- In a large bowl, combine the shredded chicken, cooked brown rice, rinsed black beans, corn, salsa, cumin, chili powder, and a pinch each of salt and pepper. Stir until evenly coated.
- Spread the mixture into the prepared baking dish, pressing it down so it’s level.
- Sprinkle the shredded cheese evenly over the top.
- Bake for 25–30 minutes, until everything is heated through and the cheese is melted and bubbly. If you like a browned top, finish with 2–3 minutes under the broiler—watch it closely.
- Remove from the oven, let rest 5 minutes, then garnish with chopped cilantro if desired and serve warm.
01Ingredients
Main Ingredients
02Method
- Preparation
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0 OF 6 DONE03Recipe notes
- 01This casserole can be made ahead, is freezer-friendly, and includes tips for adapting the recipe to vegetarian or spicier variations. Store leftovers safely and reheat as necessary.
04Nutrition
Per serving- Calories
- 284
- Protein
- 22G
- Net carbs
- 22G
- Fat
- 10G
- Fiber
- 5G
Net carbs are total carbs minus fiber. Numbers are estimates from the ingredients listed.
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Best ways to enjoy it
- Serve slices straight from the pan with a dollop of sour cream or plain Greek yogurt, extra salsa, and sliced avocado.
- For a full meal: add a simple green salad, tortilla chips, or roasted vegetables.
- Turn leftovers into bowls: scoop a portion into a bowl and top with shredded lettuce, pico de gallo, and a squeeze of lime.
- For a crunchy twist, top individual servings with crushed tortilla chips or bake with a layer of tortilla strips under the cheese.
Storage and reheating tips
Refrigerator: Cool to room temperature, then store in an airtight container for up to 3–4 days. Divide into portions for easy reheating.
Reheating: Microwave individual portions 1–2 minutes stirring halfway, or reheat in a 350°F (175°C) oven for 10–15 minutes covered with foil until warmed through.
Freezing: Freeze in airtight containers or tightly wrapped foil for up to 3 months. Thaw overnight in the fridge before reheating; add 10–15 minutes in a 350°F oven if still cold in the center.
Food safety: Don’t leave the casserole out at room temperature for more than 2 hours. Reheat leftovers to 165°F (74°C) before serving.
Creative twists
- Vegetarian: replace chicken with extra black beans, pinto beans, or sautéed mushrooms. Add a teaspoon of smoked paprika for depth.
- Spicy: swap regular salsa for a chipotle salsa or add chopped pickled jalapeños and cayenne to taste.
- Tex-Mex BBQ: mix in 1/4 cup of your favorite BBQ sauce with the salsa and top with pepper jack cheese.
- Southwestern breakfast: add beaten eggs to the cooled casserole and bake until set for a breakfast strata-style dish.
- Gluten-free: this recipe is naturally gluten-free if your salsa and spices are certified GF.
Your questions answered
How long does this take from start to finish?
A: Active assembly is about 10–15 minutes if the chicken and rice are ready. Bake time is 25–30 minutes, so plan for roughly 40–50 minutes total.
Can I use precooked rotisserie chicken?
A: Absolutely — rotisserie is an ideal shortcut. Use 2 cups shredded for this recipe.
Is this freezer-friendly?
A: Yes. Cool completely, wrap tightly or store in freezer-safe containers for up to 3 months. Thaw overnight in the fridge before reheating.
Can I make it ahead for a party?
A: Assemble in the baking dish, cover, and refrigerate for up to 24 hours. When ready, bake from cold, adding 5–10 extra minutes.
How can I reduce sodium?
A: Use low-sodium canned beans and salsa, and reduce added salt. Fresh salsa or homemade tomato salsa lets you control salt precisely.
Conclusion
For more ideas, check out Easy Beef Burrito Casserole (Gluten-Free) – Eat the Gains and my Easy Chicken Burrito Casserole.
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