This quick high-protein chicken enchilada rice casserole combines lean shredded chicken, fiber-rich black beans, and brown rice for a balanced meal that supports muscle recovery. Ready in 35 minutes, one…

Ingredients

Toggle: Metric / US

Instructions

Step 1

Preheat your oven to 375°F (190°C). While the oven heats, cook the brown rice according to package directions. For best results, use 1 cup uncooked rice with 2 cups water or broth; bring to a boil, then reduce heat, cover, and simmer for about 25 minutes until tender. The rice should be fully cooked but still slightly firm as it will continue cooking in the casserole. Using brown rice adds fiber and a nutty flavor that complements the enchilada sauce. If you’re short on time, you can use 2.5 cups of pre-cooked brown rice (leftover or from the freezer).

Step 1 image
Step 2

While the rice cooks, heat olive oil in a large oven-safe skillet (cast iron works great) over medium heat. Add the diced onion and sauté for 3-4 minutes until translucent and fragrant. Add the minced garlic and cook for another 30 seconds until aromatic, being careful not to burn the garlic. Stir in the cumin, chili powder, and smoked paprika, cooking for about 1 minute to bloom the spices—this releases their essential oils and deepens the flavor profile of the dish.

Step 2 image
Step 3

Reduce heat to low and stir in the enchilada sauce and Greek yogurt. Greek yogurt adds creaminess and a protein boost while reducing the need for heavy cream or sour cream. Mix until smooth and well combined. The sauce should be thick and velvety. If it seems too thick, add a splash of chicken broth. Taste and adjust salt and pepper as needed. Remember that cheese will add saltiness later, so go easy on the salt.

Step 4

Add the cooked brown rice, shredded chicken, and drained black beans to the skillet. Stir everything together until the rice, chicken, and beans are evenly coated with the sauce. The mixture should be moist but not soupy. If it looks dry, add a little more enchilada sauce or broth. Spread the mixture evenly in the skillet, pressing it down gently with a spatula.

Step 5

Sprinkle the shredded Mexican blend cheese evenly over the top. For a beautiful golden crust, you can also add a few dots of extra enchilada sauce on top of the cheese. Transfer the skillet to the preheated oven and bake for 15-20 minutes, or until the cheese is melted and bubbly, and the edges are slightly browned. If you prefer a deeper golden top, switch to broil for the last 2 minutes, watching closely to avoid burning.

Step 6

Remove the casserole from the oven and let it rest for 5 minutes. This allows the casserole to set, making it easier to serve. Garnish with fresh chopped cilantro and, if desired, diced avocado and a squeeze of lime juice. Serve hot, scooping out portions that show off the gooey cheese pull, tender chicken, and hearty rice and beans. This dish is perfect on its own or with a side of tortilla chips or a simple green salad.

For best results

  • For the best texture, use leftover or rotisserie chicken. Shred it while it's still warm—it's easier and the shreds are more tender. If you're cooking chicken specifically for this dish, poach boneless skinless chicken breasts in salted water or broth for about 15 minutes until cooked through, then shred with two forks. You can also use a stand mixer with the paddle attachment on low speed to shred chicken in seconds.
  • Greek yogurt is a secret weapon for creamy, high-protein sauces. It adds tanginess similar to sour cream but with about twice the protein and fewer calories. To prevent curdling, make sure the yogurt is at room temperature before stirring it into the warm sauce, and keep the heat low. For a dairy-free option, use a plant-based plain yogurt (unsweetened) or blended silken tofu.
  • Brown rice adds fiber and nutrients, but it requires a longer cook time than white rice. To speed up the process, cook a big batch of brown rice on the weekend and refrigerate or freeze it. You can also use microwavable brown rice pouches (about 2 pouches for this recipe) to cut prep time to under 5 minutes. If you prefer white rice, use 2 cups cooked white rice—the cook time will be shorter, but the nutritional profile will change slightly.
  • For a crispy cheese top, after baking, switch the oven to broil for 1-2 minutes. Watch it carefully—cheese can go from perfectly golden to burnt in seconds. Alternatively, you can sprinkle a little extra cheese on top during the last 5 minutes of baking for a thicker crust. Use a blend of Monterey Jack, cheddar, and asadero for the best melt and flavor.
  • This casserole freezes beautifully. Assemble the casserole (without the final baking) in a freezer-safe dish, cover tightly with foil, and freeze for up to 3 months. When ready to bake, thaw overnight in the refrigerator, then bake as directed, adding 5-10 minutes to the bake time since the dish will be cold. You can also freeze individual portions in airtight containers for quick lunches.
  • To make this dish even quicker, use pre-cooked rice (frozen or refrigerated), canned chicken (drained), and jarred enchilada sauce. While homemade enchilada sauce is wonderful, a good-quality store-bought version saves time. Look for brands with no added sugar or preservatives. If you want to control sodium, choose low-sodium chicken broth and enchilada sauce, and rinse the black beans thoroughly.

Variations

  • Vegetarian Version: Replace the chicken with 2 cups of cooked lentils or a 15-ounce can of pinto beans (drained and rinsed). You can also use crumbled firm tofu or tempeh seasoned with cumin and chili powder. The protein content will be slightly lower, but the fiber will increase. For a vegan adaptation, use dairy-free cheese and a plant-based yogurt or blended cashew cream. Nutritional yeast can be added for a cheesy flavor.
  • Spicy Chipotle Twist: Add 1-2 chipotle peppers in adobo sauce (minced) along with the spices. The smoky heat pairs beautifully with the enchilada sauce. You can also stir in a tablespoon of adobo sauce for extra depth. For a milder version, use mild enchilada sauce and skip the chipotle. Serve with sliced jalapeños for those who want more heat.
  • Southwest Style: Add 1 cup of frozen corn kernels (thawed) and 1 diced bell pepper (any color) to the skillet along with the onion. The corn adds sweetness and a pop of color, while the bell pepper provides crunch and vitamin C. Top with sliced black olives and a dollop of guacamole before serving. This variation is reminiscent of a Mexican street corn salad.
  • Low-Carb / Keto Adaptation: Replace the brown rice with 2 cups of cauliflower rice (fresh or frozen, thawed and squeezed dry). The casserole will be less hearty but significantly lower in carbs. To boost fat for keto, use full-fat cheese and Greek yogurt, and add diced avocado on top. You can also stir in 1/2 cup of heavy cream to the sauce for extra richness.
  • Green Enchilada Version: Use green enchilada sauce instead of red. Green sauce is typically made with tomatillos and green chilies, offering a tangy, slightly spicy flavor that pairs well with chicken and cheese. Garnish with fresh cilantro and a drizzle of crema (or thinned Greek yogurt). This version is especially refreshing in warmer months.

Nutrition

  • Calories415 kcal
  • Total Fat16g
  • Saturated Fat7g
  • Cholesterol85mg
  • Sodium780mg
  • Total Carbohydrates35g
  • Dietary Fiber7g
  • Sugars6g
  • Protein34g

Common Questions

Can I use white rice instead of brown rice?
Absolutely! White rice cooks faster and has a milder flavor. Use 2 cups of cooked white rice (long-grain or jasmine). Note that white rice is lower in fiber and protein, so the nutritional profile will differ. If using white rice, you may need to reduce the baking time by a few minutes since the rice is already tender.
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 individual portions in the microwave (covered, 1-2 minutes) or in a 350°F oven for about 10 minutes. The casserole may dry out slightly upon reheating; add a splash of chicken broth or enchilada sauce to restore moisture. Freezing is also an option—see the tips section for details.
Can I make this casserole dairy-free?
Yes! Use dairy-free shredded cheese (such as violife or daiya) and a plain unsweetened plant-based yogurt (like almond or coconut yogurt). Note that dairy-free cheese may not melt as well, so look for brands that specify ‘melts well’. You can also omit the cheese and yogurt and instead top with a dairy-free cream sauce made from cashews or silken tofu.
What can I use instead of Greek yogurt?
Sour cream is the most direct substitute, though it has less protein. For a lower-fat option, use low-fat cottage cheese blended until smooth (this adds protein too). For a dairy-free alternative, use plain unsweetened coconut yogurt or blended silken tofu. If you simply want to avoid the tanginess, you can use heavy cream or a can of cream of chicken soup (though that adds sodium).
Is this casserole gluten-free?
Yes, as written, this casserole is gluten-free, provided that your enchilada sauce and other ingredients are certified gluten-free. Some enchilada sauces may contain wheat flour as a thickener, so check the label. You can also make your own gluten-free enchilada sauce using chili powder, tomato sauce, and gluten-free flour (like cornstarch or arrowroot).
Can I prep this casserole ahead of time?
Definitely! Assemble the casserole completely (without baking), cover, and refrigerate for up to 24 hours. When ready to bake, you may need to add 5-10 minutes to the bake time since the dish starts cold. You can also freeze it unbaked for up to 3 months—thaw overnight in the refrigerator before baking. This makes it an excellent option for busy weeknights.
What can I serve with this casserole?
This casserole is a complete meal on its own, but you can round it out with a simple side salad (romaine, avocado, lime vinaigrette), tortilla chips and salsa, or Mexican street corn (elote). For a low-carb option, serve with roasted vegetables like zucchini or bell peppers. A dollop of guacamole or a sprinkle of pickled jalapeños adds a fresh kick.