Slow Cooker Chicken Enchilada Casserole is the ultimate comfort food with a Mexican twist. With tender chicken, black beans, tortillas, and melted cheese all bathed in rich, homemade enchilada sauce, this dish is perfect for weeknight dinners, meal prep, or feeding a crowd. Using a slow cooker simplifies the process and ensures the chicken stays moist while flavors meld beautifully.

Ingredients for Slow Cooker Chicken Enchilada Casserole
To make this dish, gather:
- 1 lb boneless skinless chicken thighs (or chicken breast)
- 1 teaspoon avocado oil (or olive oil)
- ½ medium onion, chopped
- 2 garlic cloves, finely chopped
- 1 teaspoon ground cumin
- 1 teaspoon kosher salt
- 2 cups homemade enchilada sauce (or 16-ounce jarred)
- ¼ cup sour cream (plus more for serving)
- 4 corn tortillas, cut into strips
- 15-ounce can low-sodium black beans, rinsed and drained
- 4 ounces shredded cheese (Mexican cheese blend, Monterey Jack, or mozzarella)
- Sliced jalapeño peppers and chopped fresh cilantro, for topping
Optional toppings:
- Sliced avocado
- Crema or sour cream
- Cilantro lime rice
Step-by-Step Instructions
- Sauté Aromatics
Heat oil in a skillet over medium heat. Add onion, garlic, cumin, and salt. Cook, stirring, until the onion softens and browns, about 5 minutes. This step brings out a deep, savory flavor base for the casserole. - Combine in Slow Cooker
Transfer the onion mixture to the slow cooker. Add enchilada sauce, sour cream, and ¼ cup water. Stir to combine. Fold in the black beans until fully coated. - Add Chicken
Nestle the chicken into the sauce mixture. Cover and cook: high for 3–4 hours or low for 6–7 hours, until the chicken is tender and cooked through. - Shred Chicken
Using two forks, shred the chicken directly in the slow cooker. This ensures it absorbs all the flavors of the sauce. - Add Tortillas and Cheese
Stir in the tortilla strips, then top with shredded cheese. Cover and cook an additional 30 minutes, or until the cheese melts perfectly. - Garnish and Serve
Once cheese is melted, garnish with cilantro, jalapeños, and optional toppings such as avocado slices and sour cream. Serve over cilantro lime rice if desired for a complete meal.
Tips for the Best Casserole
- Chicken Choice: Thighs remain juicier, but chicken breast works if preferred.
- Enchilada Sauce: Homemade sauce intensifies flavor, but store-bought works for convenience.
- Meal Prep: Refrigerate leftovers in an airtight container for up to 4 days. Freeze for up to 3 months.
- Instant Pot Version: Follow steps 1–4, cook on high pressure 20 minutes, natural release. Add tortillas, stir in, top with cheese, cook 5–10 minutes on high pressure, quick release.
Why This Recipe Works
This casserole combines protein, fiber, and bold Mexican flavors in one pot. Black beans add heartiness and fiber, while tortillas provide a soft, chewy texture that contrasts beautifully with tender chicken and creamy cheese. The slow cooker ensures hands-off cooking and perfectly melded flavors.
Nutrition Information (per serving, 1 cup)
- Calories: 315 kcal
- Carbohydrates: 26 g
- Protein: 25.5 g
- Fat: 12 g
- Saturated Fat: 5 g
- Cholesterol: 92.5 mg
- Sodium: 862 mg
- Fiber: 7 g
- Sugar: 3.5 g
Serving Suggestions
- Serve with cilantro lime rice for a complete Tex-Mex dinner.
- Add guacamole and fresh pico de gallo for extra freshness.
- Top with sour cream or crema to balance the mild heat of jalapeños.
Conclusion
Slow Cooker Chicken Enchilada Casserole is a weeknight lifesaver that brings restaurant-quality flavors to your kitchen with minimal effort. It’s versatile, freezer-friendly, and perfect for meal prep or feeding a hungry family. The combination of enchilada sauce, shredded chicken, beans, and cheese ensures every bite is comforting, rich, and satisfying.
PrintSlow Cooker Chicken Enchilada Casserole: A Flavorful, Easy Dinner
I’m obsessed with these easy, Slow Cooker Chicken Enchiladas, made with black beans, tortillas, my homemade enchilada sauce, and cheese.
- Prep Time: 15 mins
- Cook Time: 4 hrs 30 mins
- Total Time: 4 hrs 45 mins
- Yield: 6 servings 1x
- Category: Dinner, Main Dish, Meal Prep
- Method: Slow Cooker
- Cuisine: Latin, Mexican-American, Tex Mex
Ingredients
1 lb boneless skinless chicken thighs (or chicken breast)
1 teaspoon avocado oil (or olive oil)
1/2 medium onion, chopped
2 garlic cloves, finely chopped
1 teaspoon ground cumin
1 teaspoon kosher salt
2 cups homemade enchilada sauce (or 16 oz jarred)
1/4 cup sour cream (plus more for serving)
4 corn tortillas, cut into strips
15 oz can low-sodium black beans, rinsed and drained
4 oz shredded cheese (Mexican blend, Monterey Jack, or mozzarella)
sliced jalapeño peppers
chopped fresh cilantro
Instructions
1. Heat the oil in a skillet over medium heat. Add the onion, garlic, cumin, and salt and cook, stirring, until the onion has softened and browned, about 5 minutes.
2. Transfer to the slow cooker and add enchilada sauce, sour cream, and 1/4 cup water. Stir to combine.
3. Fold in the black beans until coated.
4. Nestle the chicken in.
5. Cover and cook on high for 3-4 hours or low for 6-7 hours until chicken is tender and cooked through. Shred chicken with forks.
6. Add tortilla strips and stir, then top with cheese, cover, and cook 30 minutes until cheese melts.
7. Garnish with cilantro, jalapeños, and optional toppings. Serve over rice if desired.
Notes
If using chicken breast, WW points are 5 instead of 7.
Store refrigerated in an airtight container for up to 4 days.
Freeze for up to 3 months and reheat before serving.
To make in pressure cooker or Instant Pot: cook high pressure 20 mins, natural release, shred chicken, add tortillas, stir, top with cheese, cook 5-10 mins, quick release.
Nutrition
- Serving Size: 1 cup
- Calories: 315
- Sugar: 3.5
- Sodium: 862
- Fat: 12
- Saturated Fat: 5
- Unsaturated Fat: 7
- Trans Fat: 0
- Carbohydrates: 26
- Fiber: 7
- Protein: 25.5
- Cholesterol: 92.5
