Quick Benefits
Fiesta Chicken Casserole is a hearty, one-dish meal that’s both comforting and packed with flavor. It’s ideal for busy weeknights or potlucks, requiring minimal prep and offering a customizable base that accommodates various preferences. Full of protein, fiber, and creamy, cheesy goodness, it’s a hit with both kids and adults. Plus, it reheats like a dream—perfect for leftovers!
Essential Ingredients
- 2 ½ cups cooked and shredded chicken – a great use for rotisserie or leftover chicken
- 1 cup corn kernels – adds sweetness and crunch
- 1 (15 oz) can black beans, drained and rinsed – adds fiber and texture
- 1 cup salsa – your favorite mild, medium, or spicy
- 1 cup sour cream – for a creamy base
- 10 oz pasta – penne or rotini works well
- 2 tablespoons taco seasoning – for bold Mexican flavor
- 2 cups Mexican cheese blend – melty and flavorful

Preparation Steps
- Preheat oven to 350°F (175°C).
- Bring a large pot of water to a boil. Cook pasta for 2 minutes less than the package suggests, then drain and set aside.
- In a large mixing bowl, whisk together sour cream, salsa, and taco seasoning until smooth.
- Stir in chicken, black beans, corn, and 1 cup of cheese.
- Gently fold in cooked pasta, ensuring it’s well coated.
- Pour the mixture into a greased casserole dish and top with the remaining cheese.
- Bake for 20–25 minutes until bubbly and golden.
- Serve hot, and enjoy your flavorful fiesta!
Health Benefits
- High in protein from chicken and cheese
- Rich in fiber thanks to black beans and corn
- Customizable to be lower in fat by using light sour cream or reduced-fat cheese
- Offers complex carbs for sustained energy when using whole grain pasta
Serving Suggestions
Serve this casserole warm, straight from the oven. Pair with:
- A fresh chopped salad
- Tortilla chips or warm tortillas on the side
- Toppings like sliced avocado, fresh cilantro, diced tomatoes, or hot sauce for added flair
- A light lime crema drizzle or extra salsa
Creative Variations
- Use ground beef or turkey instead of chicken
- Swap pasta for rice or quinoa for a gluten-free option
- Add veggies like zucchini, bell peppers, or spinach to increase nutrients
- Turn leftovers into a burrito filling or taco stuffing
Storage Tips
- Refrigerator: Store in an airtight container for up to 4 days
- Freezer: Freeze in portions for up to 2 months; thaw in fridge overnight before reheating
- Reheat: Microwave individual portions or bake at 325°F covered with foil until warmed through
Pro Tips
- Cook pasta slightly underdone so it doesn’t get mushy in the oven
- Use pre-cooked rotisserie chicken to save time
- Let the casserole sit for 5 minutes after baking for easier slicing
- Add a dash of cumin or smoked paprika for an extra depth of flavor
Frequently Asked Questions
Q: Can I make this dish ahead of time?
A: Absolutely! Assemble the casserole, cover, and refrigerate for up to 24 hours before baking.
Q: What kind of pasta is best?
A: Short pasta like penne, rotini, or shells hold the sauce and ingredients well.
Q: Can I make it vegetarian?
A: Yes! Omit the chicken and add more beans or substitute with plant-based protein.
Q: Is this dish spicy?
A: Not necessarily. Use mild salsa and omit any extra spices if you prefer a milder flavor.
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