This Tex Mex Chicken and Lentil Casserole Recipe is a fiesta casserole! Imagine tender chicken, hearty lentils, and colorful veggies all baked together with melty cheese and a kick of Tex-Mex spices. This casserole is perfect for a cozy family dinner or a potluck with friends. Trust me, this one’s a crowd-pleaser!

Why You’ll Love This Recipe

  • Hearty and Satisfying: A complete meal with protein, fiber, and vegetables.
  • Flavorful and Spiced: Tex-Mex seasonings bring a delicious kick.
  • Easy to Make: Simple steps and minimal fuss make this a breeze.
  • Make-Ahead Friendly: Perfect for meal prepping or busy weeknights.

Tex Mex Chicken and Lentil Casserole

Ingredients

Here’s what you’ll need to make this delicious Tex Mex Chicken and Lentil Casserole:

For Lentils:

  • Green Lentils: Adds a hearty, nutty flavor and texture.
  • Chicken Broth: Provides a flavorful base for cooking the lentils.
  • Salt: Enhances the overall flavor.

For Chicken:

  • Boneless, Skinless Chicken Breasts: Adds a lean, protein-rich component.
  • Cumin: Adds a warm, earthy flavor.
  • Taco Seasoning: Adds a blend of Tex-Mex spices.
  • Salt and Pepper: Enhances the overall flavor.
  • Oil: Used for frying the chicken.

For Vegetables:

  • Onion: Adds a sweet, savory flavor.
  • Garlic: Adds a pungent, aromatic flavor.
  • Bell Peppers: Adds crunch and sweetness.
  • Taco Seasoning and Cumin: Adds a Tex-Mex flavor.
  • Salt: Enhances the overall flavor.
  • Oil: Used for frying the vegetables.

Other Add-Ins:

  • Diced Tomatoes: Adds juiciness and acidity.
  • Corn: Adds sweetness and a pop of color.
  • Tex Mex or Colby Jack Cheese: Adds melty, cheesy goodness.
  • Diced Green Chilies: Adds a mild, spicy kick.
  • Cilantro: Adds a fresh, herbaceous flavor.

Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

How to Make Tex Mex Chicken and Lentil Casserole

Step 1: Cook the Lentils

Combine lentils, chicken broth, and salt in a pot. Bring to a boil, reduce heat, cover, and simmer for 20 minutes. Set aside.

Step 2: Cook the Chicken

Preheat a large skillet on high heat and add oil. Add chicken, cumin, taco seasoning, salt, and pepper. Cook until browned, draining liquid halfway through. Transfer to a bowl.

Step 3: Cook the Vegetables

Preheat oven to 375°F (190°C). Return skillet to medium-high heat and add oil. Add onion, garlic, bell peppers, taco seasoning, cumin, and salt. Cook until golden brown.

Step 4: Combine Ingredients

Transfer vegetables to the bowl with chicken, along with cooked lentils, diced tomatoes, corn, half of the cheese, green chilies, taco seasoning, and half of the cilantro. Mix gently.

Step 5: Bake the Casserole

Transfer mixture to a 9×13 inch baking dish. Bake uncovered for 30 minutes. Sprinkle with remaining cheese and bake for another 10 minutes.

Step 6: Rest and Serve

Remove from oven, cover with foil, and let stand for 30 minutes. Garnish with remaining cilantro, cut into slices, and serve hot.

Pro Tips for Making the Recipe

  • Rinse Lentils: Rinse lentils before cooking to remove any debris.
  • Don’t Overcook Chicken: Cook chicken until just done to prevent dryness.
  • Sauté Vegetables Until Golden: This enhances their sweetness and flavor.
  • Let Casserole Rest: Resting allows the flavors to meld and the casserole to set.

How to Serve Tex Mex Chicken and Lentil Casserole

  • As a Main Dish: A complete and satisfying meal on its own.
  • With a Side Salad: Add a fresh salad for extra vegetables.
  • With Sour Cream and Guacamole: Top with sour cream and guacamole for added richness.
  • With Tortilla Chips: Serve with tortilla chips for dipping.

Make Ahead and Storage

Storing Leftovers

Store leftover casserole in an airtight container in the refrigerator for up to 3 days.

Freezing

Freeze in an airtight container for up to 3 months.

Meal Prep

Assemble the casserole, tightly wrap with plastic and then foil, and freeze for up to 3 months. Thaw in the refrigerator overnight and bake as per instructions plus 5 minutes.

FAQs

1. Can I use a different type of lentil?

  • Yes, you can use brown or red lentils, but cooking times may vary.

2. Can I use ground beef instead of chicken?

  • Yes, you can use ground beef for a different flavor.

3. Can I add other vegetables?

  • Yes, you can add vegetables like zucchini, mushrooms, or spinach.

4. Can I make this dish spicier?

  • Yes, you can add jalapeños, red pepper flakes, or a spicier taco seasoning.

Enjoy this hearty and flavorful Tex Mex Chicken and Lentil Casserole Recipe!

Print
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Tex Mex Chicken and Lentil Casserole Recipe

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  • Author: Lisa
  • Prep Time: 10 minutes
  • Cook Time: 1 hour 25 minutes
  • Total Time: 1 hour 35 minutes
  • Yield: 8 servings 1x
  • Category: Main Course
  • Method: Baking
  • Cuisine: Tex-Mex

Description

This Tex Mex Chicken and Lentil Casserole is a hearty, flavorful, and satisfying dish that’s perfect for a family dinner. A combination of seasoned chicken, tender lentils, vibrant vegetables, and melted cheese creates a delicious and comforting casserole with a Tex-Mex twist. It’s a great make-ahead meal that’s sure to be a hit.


Ingredients

Units Scale

For Lentils:

    • 1 1/2 cups green lentils, uncooked, rinsed & drained
    • 2 cups chicken broth, low sodium
    • 1/8 teaspoon salt

For Chicken:

    • 2 pounds boneless skinless chicken breasts, chopped
    • 1 teaspoon cumin, ground
    • 1 teaspoon taco seasoning, low sodium
    • 1/8 teaspoon salt
    • 1/4 teaspoon ground black pepper
    • 1 tablespoon oil, for frying

For Vegetables:

    • 1 large onion, finely chopped
    • 4 large garlic cloves, minced
    • 2 large bell peppers, chopped
    • 1 teaspoon taco seasoning, low sodium
    • 1 teaspoon cumin, ground
    • 1/8 teaspoon salt
    • 1 tablespoon oil, for frying

Other Add-Ins:

    • 14 ounces can diced tomatoes, low sodium
    • 2 cups corn, frozen or canned (drained)
    • 2 cups Tex Mex or Colby Jack cheese, shredded & divided
    • 4 ounces can diced green chilies
    • 1 teaspoon cumin, ground
    • 1 teaspoon taco seasoning, low sodium
    • 1 cup cilantro, chopped & divided

Instructions

  1. Cook Lentils:
    1. In a medium pot, combine lentils, chicken broth, and salt.
    2. Bring to a boil, reduce heat to low, cover, and simmer for 20 minutes.
    3. Set aside.
  2. Cook Chicken:
    1. Preheat a large skillet on high heat and add oil.
    2. Add chicken, cumin, taco seasoning, salt, and pepper.
    3. Cook for 6-7 minutes, draining liquid into a large bowl halfway through and stirring occasionally.
    4. Transfer chicken to the same large bowl and set aside.
  3. Sauté Vegetables:
    1. Preheat oven to 375°F (190°C).
    2. Return skillet to medium-high heat and add oil.
    3. Add onion, garlic, bell peppers, taco seasoning, cumin, and salt.
    4. Cook for 5-7 minutes, or until golden brown, stirring occasionally.
  4. Combine Ingredients:
    1. Transfer the vegetables to the bowl with chicken along with cooked lentils, diced tomatoes, corn, 1/2 cup cheese, diced green chilies, taco seasoning, and 1/2 cup cilantro.
    2. Mix gently with a spatula enough to combine.
  5. Assemble Casserole:
    1. Transfer the mixture to a 9 x 13 ovenproof baking dish.
    2. Level/press gently with a spatula.
  6. Bake:
    1. Bake uncovered for 30 minutes.
    2. Sprinkle with remaining cheese and bake for another 10 minutes.
  7. Rest and Serve:
    1. Remove casserole from the oven.
    2. Cover with foil and let stand for 30 minutes before serving.
    3. Garnish with remaining cilantro, cut into 8 slices, and serve hot.

Notes

  • Store: Refrigerate in an airtight container for up to 3 days.
  • Freeze: In an airtight container up to 3 months.
  • Meal Prep: Assemble, tightly wrap with plastic and then foil, and freeze for up to 3 months. Thaw in the fridge overnight and bake as per instructions plus 5 minutes.
  • Use any color of bell peppers you like.
  • Adjust the amount of taco seasoning and cumin to your taste.
  • You can add other vegetables, such as zucchini or mushrooms.

Nutrition

  • Serving Size: 1 Serving
  • Calories: 400kcal
  • Sugar: 8g
  • Sodium: 600mg
  • Fat: 15g
  • Saturated Fat: 8g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 10g
  • Protein: 30g
  • Cholesterol: 80mg

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