If you love the bold flavors of chicken fajitas and the cozy comfort of lasagna, this Creamy Chicken Fajita Lasagne is the best of both worlds. It’s layered with tender seasoned chicken, sautéed peppers and onions, creamy sauce, melty cheese, and lasagna noodles—baked until bubbly and golden.
Unlike traditional lasagna, this Tex-Mex twist brings smoky spices, fajita-style veggies, and a rich creamy filling that makes every slice irresistible. Perfect for family dinners, meal prep, potlucks, or anytime you want a satisfying casserole that feeds a crowd.
Ingredients
Serves 8
Chicken Fajita Filling
- 2 tablespoons olive oil
- 1 1/2 lb (680g) boneless, skinless chicken breast or thighs, sliced thin
- 1 large onion, sliced
- 3 bell peppers (any colors), sliced
- 3 cloves garlic, minced
- 2 teaspoons chili powder
- 1 teaspoon ground cumin
- 1 teaspoon paprika (smoked if possible)
- 1/2 teaspoon oregano
- 1/2 teaspoon salt (adjust to taste)
- 1/2 teaspoon black pepper
- 2 tablespoons lime juice (or lemon)
- Optional: 1/2 teaspoon red pepper flakes or cayenne
Creamy Sauce
- 2 tablespoons butter
- 2 tablespoons all-purpose flour
- 2 cups (480ml) milk (or half-and-half for extra richness)
- 1/2 cup (120g) sour cream (or Greek yogurt)
- 4 oz (115g) cream cheese, softened
- 1 cup (100g) shredded Monterey Jack (or mozzarella)
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
Layers
- 9 lasagna noodles (regular or oven-ready)
- 2 cups (200g) shredded cheddar or Mexican blend cheese
- Optional topping: sliced jalapeños, chopped cilantro
Preparation Time
- Prep time: 20 minutes
- Cooking time: 25 minutes
- Baking time: 30–35 minutes
- Resting time: 10 minutes
- Total time: About 1 hour 30 minutes
Step-by-Step Instructions
Step 1: Cook the Fajita Chicken and Veggies
Heat olive oil in a large skillet over medium-high heat. Add chicken, onion, and peppers. Cook for 8–10 minutes, stirring often, until chicken is cooked through and veggies are tender-crisp.
Add garlic, chili powder, cumin, paprika, oregano, salt, pepper, and optional heat. Cook 1 minute more. Stir in lime juice and set aside.
Step 2: Make the Creamy Sauce
In a saucepan, melt butter over medium heat. Whisk in flour and cook for 1 minute. Slowly whisk in milk until smooth.
Simmer 3–4 minutes until slightly thickened. Reduce heat and whisk in sour cream and cream cheese until smooth. Stir in shredded Monterey Jack. Season with salt and pepper.
Step 3: Prep Noodles
If using regular noodles, boil according to package directions until al dente and drain.
If using oven-ready noodles, you can skip boiling (make sure the sauce is not too thick).
Step 4: Assemble the Lasagne
Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
Spread a thin layer of creamy sauce on the bottom. Add a layer of noodles, then spread a portion of chicken fajita mixture, then sauce, then sprinkle cheese. Repeat layers until everything is used, finishing with sauce and plenty of cheese on top.
Step 5: Bake
Cover with foil and bake for 25 minutes. Remove foil and bake 10 more minutes until bubbly and golden.
Step 6: Rest and Serve
Let rest for 10 minutes before slicing. Top with cilantro, jalapeños, or extra lime if desired.
Serving Suggestions
- Serve with a crisp side salad and lime vinaigrette.
- Pair with salsa, guacamole, or a simple pico de gallo.
- Add a spoonful of sour cream on top for extra creaminess.
- Serve with corn on the cob or Mexican-style rice.
- For a fun finish, drizzle with a little chipotle sauce.
Nutritional Highlights
| Nutrient | Per Serving (1 slice, 1/8 dish) |
|---|---|
| Calories | 480 |
| Protein | 34 grams |
| Total Fat | 22 grams |
| Saturated Fat | 11 grams |
| Carbohydrates | 36 grams |
| Sugars | 7 grams |
| Fiber | 3 grams |
| Sodium | 620 milligrams |
Nutritional Notes:
- Chicken adds lean protein to keep the meal filling.
- Bell peppers and onions provide fiber, vitamin C, and natural sweetness.
- Using Greek yogurt instead of sour cream can slightly reduce fat while keeping it creamy.
Tips for Perfect Lasagne
- Slice chicken thin so it cooks fast and stays tender.
- Don’t overcook veggies—you want them slightly crisp for texture.
- If the sauce is very thick, add a splash of milk so noodles cook properly.
- Rest before slicing so layers set and serve neatly.
- For extra flavor, add a little lime zest to the creamy sauce.
Variations to Try
- Spicy Version: Add diced jalapeños or chipotle in adobo to the sauce.
- Rotisserie Chicken Shortcut: Use shredded rotisserie chicken and sauté only the veggies.
- Low-Carb Option: Swap noodles for zucchini slices (pat dry first).
- Extra Veggies: Add corn, black beans, or mushrooms to the filling.
- More Cheesy: Add pepper jack cheese for heat and extra melt.
This Creamy Chicken Fajita Lasagne is the ultimate comfort-food mashup: bold fajita flavor, creamy layers, and cheesy baked goodness in every bite. It’s easy to make, perfect for feeding a crowd, and even better the next day—making it great for leftovers and meal prep.
Whether you keep it mild or spice it up, this recipe guarantees a creamy, cheesy, Tex-Mex slice every time.
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