Zesty Leftover Chicken Casserole

🕒 Prep: 15 min
🔥 Cook: 30 min
🍽 Serves: 6
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If you're staring at leftover chicken and wondering how to give it a new life, this Zesty Leftover Chicken Casserole is a perfect solution. It's a vibrant, comforting dish that combines the warmth of a casserole with the fresh zing of Mexican flavors.

Ingredients for Zesty Leftover Chicken Casserole

Leftover cooked chicken is the star here, providing a hearty base for the casserole. The salsa adds brightness and a bit of heat. Mixed with sour cream, it creates a creamy, tangy sauce. Black beans bring in protein and texture, while shredded cheddar cheese gives a comforting, gooey finish. Corn kernels add sweetness and a pop of color, and the taco seasoning ties all the flavors together with its savory spice blend. Olive oil helps sauté the green onions, which add a mild, fresh onion flavor. Cilantro offers a fresh, citrusy note, and the corn tortillas create a lovely, layered structure. Finally, a squeeze of lime at the end lifts every bite with its refreshing citrus zing.

Tips & Tricks

  • To save time, you can use store-bought rotisserie chicken.
  • Customize the heat level by choosing a mild, medium, or hot salsa.
  • For a gluten-free version, ensure your tortillas are certified gluten-free.

Serving Suggestions

This casserole pairs beautifully with a simple green salad tossed in a citrus vinaigrette, or a side of guacamole and chips for a complete Mexican-inspired meal. You might also consider serving it with a light, refreshing margarita.

Frequently Asked Questions

Can I use a different type of cheese?
Absolutely! Monterey Jack or Pepper Jack would work nicely if you want to change up the flavor profile.
How long will leftovers last?
Stored in an airtight container in the fridge, it should last about 3-4 days.
Can I freeze this casserole?
Yes, it freezes well. Just ensure it's fully cooled before wrapping it tightly and storing it in the freezer.

Zesty Leftover Chicken Casserole Recipe Walkthrough

Start by preheating your oven to 375°F. While it warms up, heat a tablespoon of olive oil in a skillet over medium heat. Toss in the chopped green onions and sauté them until they are soft and fragrant.

Next, grab a large mixing bowl. Combine the shredded chicken, salsa, sour cream, black beans, corn, and taco seasoning. Mix in half of the shredded cheese. Once the green onions are done, add them to this mixture along with half of your chopped cilantro.

Take a 9x13-inch baking dish and give it a light greasing. Layer half of your cut tortilla strips on the bottom. Spoon the chicken mixture over these strips, spreading it out evenly. Lay the remaining tortilla strips on top, then sprinkle the rest of the cheese over everything.

Slide the dish into your preheated oven and let it bake for 25-30 minutes. You’re looking for a golden-brown cheese top that’s bubbling with deliciousness. Once it’s ready, take it out and let it cool for a few moments before garnishing with the remaining cilantro. Serve with lime wedges on the side for a final burst of flavor.

Why You'll Love This Recipe

  • Transforms leftovers into a completely new meal.
  • Quick and easy to prepare — perfect for busy weeknights.
  • Packed with bold, zesty flavors that wake up your taste buds.
  • Uses pantry staples that you likely already have on hand.

Ingredients

2 cups leftover cooked chicken, shredded
1 cup salsa
1/2 cup sour cream
1 can (15 oz) black beans, drained and rinsed
1½ cups shredded cheddar cheese
1 cup corn kernels, frozen or fresh
1 tbsp taco seasoning
1 tbsp olive oil
1/2 cup chopped green onions
1/4 cup cilantro, chopped
10 corn tortillas, cut into strips
1 lime, cut into wedges

Step-by-step Instructions

1. Preheat oven to 375°F.
2. Heat olive oil in a skillet over medium heat and sauté green onions until soft.
3. In a large mixing bowl, combine shredded chicken, salsa, sour cream, black beans, corn, taco seasoning, and half of the cheese.
4. Stir in sautéed green onions and half of the chopped cilantro.
5. Lightly grease a 9x13-inch baking dish.
6. Layer half of the tortilla strips on the bottom of the dish.
7. Spoon the chicken mixture over the tortilla strips evenly.
8. Top with remaining tortilla strips.
9. Sprinkle the rest of the cheese over the top.
10. Bake in the preheated oven for 25-30 minutes or until bubbly and cheese is golden brown.
11. Garnish with remaining cilantro and serve with lime wedges.

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