This high-protein chicken burrito bake casserole uses just 5 simple ingredients for a macro-friendly, family-friendly dinner. Perfect for meal prep and busy weeknights.

Ingredients

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Instructions

Step 1

Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with nonstick spray or a light coating of oil. This ensures the casserole won’t stick and makes cleanup a breeze. While the oven heats, dice the chicken breasts into uniform 1-inch cubes. Uniform pieces cook evenly, so you don’t end up with some dry chunks and others undercooked. Season the chicken lightly with salt, pepper, and a pinch of cumin if desired, though the salsa will provide plenty of flavor.

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Step 2

In a large bowl, combine the diced chicken, cooked rice, rinsed black beans, and salsa. Stir well until everything is evenly coated. The salsa acts as both a seasoning and a moisture source, so make sure every grain of rice and piece of chicken is touched by it. If your salsa is very chunky, you can pulse it in a blender for a smoother sauce that distributes more evenly. The mixture should look colorful and smell tangy and spicy.

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Step 3

Pour the mixture into the prepared baking dish and spread it into an even layer. Use a spatula to press it down gently, ensuring the surface is level. This promotes even baking and a nice, uniform texture. Sprinkle the shredded cheese evenly over the top. Cover the dish with aluminum foil — this traps steam and helps the chicken cook through without drying out, while the cheese melts gently.

Step 4

Bake covered for 20 minutes. Then remove the foil and bake for an additional 10–15 minutes, until the cheese is bubbly and golden brown at the edges. The internal temperature of the chicken should reach 165°F (74°C) for food safety. If you like a crispier cheese top, switch the oven to broil for the last 2 minutes, watching carefully to avoid burning. You’ll know it’s done when the casserole is bubbling around the edges and the cheese is lightly browned in spots.

Step 5

Let the casserole rest for 5 minutes before serving. This allows the juices to redistribute and the layers to set, making it easier to scoop out clean portions. Serve hot, garnished with fresh cilantro, diced avocado, a dollop of Greek yogurt or sour cream, and a squeeze of lime if desired. Store leftovers in an airtight container in the refrigerator for up to 4 days, or freeze for up to 3 months.

For best results

  • For the best texture, use freshly cooked rice that's slightly underdone (al dente) rather than mushy leftover rice. The rice will continue to absorb moisture from the salsa and beans during baking, so starting with slightly firm rice prevents a soggy casserole. If using leftover rice, spread it on a baking sheet to cool and dry out a bit before mixing.
  • Chicken thighs can be substituted for breasts for extra juiciness and flavor, though the protein content will be slightly lower and the fat higher. Dice them the same size and cook time remains similar. For a vegetarian version, replace chicken with 1.5 cans of extra black beans or 12 oz of crumbled firm tofu seasoned with taco spices.
  • To boost protein further, mix in 1 cup of cottage cheese (blended smooth) or 1/2 cup of nonfat Greek yogurt into the salsa mixture. This adds creaminess and an extra 10–15g of protein per serving without changing the flavor significantly. You can also stir in 1 scoop of unflavored or chicken-flavored protein powder (collagen or whey) dissolved in a bit of warm water.
  • Customize the heat level by choosing your salsa wisely. For a mild family dinner, use a mild tomato-based salsa. For more kick, add a diced jalapeño or use a salsa verde with tomatillos and serrano peppers. You can also mix in 1 teaspoon of chipotle powder or a few dashes of hot sauce before baking.
  • Meal prep tip: Assemble the casserole completely (without baking) up to 2 days in advance. Cover and refrigerate. When ready to bake, add 10 minutes to the covered baking time since starting from cold. You can also freeze the unbaked casserole for up to 3 months; thaw overnight in the fridge before baking.
  • For a low-carb version, replace the rice with cauliflower rice (fresh or frozen, thawed and squeezed dry). Reduce baking time by 5 minutes since cauliflower cooks faster. This cuts carbs by about 30g per serving while keeping the fiber. You can also add extra vegetables like bell peppers, corn, or zucchini to increase volume and nutrients.

Variations

  • Southwest Chicken Burrito Bake: Add 1 cup of frozen corn, 1 diced bell pepper, and 1 teaspoon of cumin to the mix. Top with crushed tortilla chips for a crunchy crust. Garnish with sliced jalapeños and a drizzle of chipotle crema (mix 1/4 cup sour cream with 1 teaspoon adobo sauce).
  • Beef and Bean Burrito Casserole: Substitute ground beef (90% lean) for the chicken. Brown 1.5 lbs of beef with 1 chopped onion and 2 cloves garlic, drain fat, then proceed with the recipe. Use a red enchilada sauce instead of salsa for a deeper, richer flavor. Add a layer of refried beans between the rice and cheese for extra creaminess.
  • Vegan High-Protein Burrito Bake: Replace chicken with 1.5 cups of cooked lentils (or 1 can, drained) and 1 block (14 oz) of extra-firm tofu, crumbled and sautéed with taco seasoning. Use vegan cheese shreds or a cashew-based cheese sauce. Add 1/2 cup of nutritional yeast for a cheesy flavor and extra B vitamins. The protein content remains high at about 25g per serving.
  • Keto-Friendly Chicken Burrito Bake: Omit the rice entirely and double the chicken to 2 lbs. Add 1 cup of diced zucchini and 1/2 cup of chopped cilantro. Use a high-fat cheese like full-fat mozzarella or pepper jack. Serve over a bed of lettuce or with cauliflower rice on the side. Each serving has under 10g net carbs.

Nutrition

  • Calories485 kcal
  • Total Fat18g
  • Saturated Fat9g
  • Cholesterol115mg
  • Sodium820mg
  • Total Carbohydrates35g
  • Dietary Fiber6g
  • Sugars5g
  • Protein42g

Common Questions

Can I use raw chicken directly in the casserole?
Yes, absolutely! That’s the beauty of this recipe. The chicken cooks fully during the 30–35 minute bake time as long as you dice it into 1-inch cubes. Always check that the internal temperature reaches 165°F (74°C) using an instant-read thermometer. If you’re meal prepping and want to speed up baking, you can pre-cook the chicken in a skillet for 5–7 minutes, then reduce covered baking time to 15 minutes.
How can I make this recipe dairy-free?
Simply omit the cheese or use a dairy-free shredded alternative made from cashews or coconut oil. To maintain creaminess, stir in 1/4 cup of nutritional yeast or a dairy-free cream cheese substitute. You can also top with sliced avocado after baking for a creamy texture without dairy. Note that the protein content may drop slightly if you skip cheese.
Can I freeze this casserole?
Yes, it freezes beautifully. Allow the baked casserole to cool completely, then portion into airtight containers or wrap the entire dish tightly with plastic wrap and foil. Freeze for up to 3 months. To reheat, thaw in the refrigerator overnight, then bake at 350°F (175°C) for 20–25 minutes or microwave individual portions for 2–3 minutes. The texture remains excellent.
What can I use instead of rice?
Quinoa is a great high-protein substitute (1 cup cooked quinoa has 8g protein). Cauliflower rice works for low-carb diets. You can also use cooked lentils or barley for a different texture. If using a grain that absorbs more liquid, you may need to add an extra 1/4 cup of salsa or a splash of chicken broth to keep the casserole moist.
How do I store leftovers and how long do they last?
Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave or oven. The casserole may dry out slightly upon reheating, so add a splash of salsa or water before warming. For best quality, consume within 2 days. You can also freeze leftovers in individual portions for quick lunches.
Is this recipe gluten-free?
Yes, as written, this recipe is naturally gluten-free. Just ensure your salsa and any additional seasonings are certified gluten-free, as some brands may contain additives or be processed in facilities with gluten. Serve with corn tortillas or tortilla chips for a gluten-free crunch. Avoid flour tortillas if you need strict gluten-free.