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March 5, 2026

This Baked Chicken Fajita Noodle Casserole includes peppers, onions, chicken breast, noodles, cheesy goodness, and tastes like a fajita! Great to serve the family or to make ahead for the week’s lunches. All the best chicken fajita flavors with peppers and onions, in casserole form!

Baked Chicken Fajita Noodle Casserole
Baked Chicken Fajita Noodle Casserole
Baked Chicken Fajita Noodle Casserole cover
From the Cook
From the Cook
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Baked Chicken Fajita Noodle Casserole

Ingredients

0 allergens identified

Instructions

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Instructions

1
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Preheat the oven to 425 degrees F. Line a 9×13 inch casserole dish with aluminum foil.
2
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Place chicken breasts in the dish, sprinkle with 1/2 teaspoon salt and pepper, flip and sprinkle with another 1/2 teaspoon salt and pepper. Drizzle with 2 tablespoons olive oil. Bake in a preheated oven for 30-40 minutes (time will vary depending on thickness of chicken). Move on to next steps while chicken is cooking. When the chicken has reached 165 degrees F inside, set aside to cool. Shred or chop into 1 inch cubes when cooled.
3
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While the chicken is cooking, prep all vegetables. Remove seeds, stem, and chop jalapeños. Remove seeds and stem from bell peppers, and cut into 2-inch strips. Cut onion into 2-inch strips.
4
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Heat a salted pot of water at high heat until boiling. Add pasta and cook according to package directions. Strain and set aside to cool when done. Drizzle with olive oil and stir to avoid sticking while cooling.
5
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In a large deep skillet or Dutch Oven, heat 2 tablespoons oil over medium heat. When hot, add all vegetables to the skillet. Add lime juice, a pinch of salt and a pinch of pepper. Cook for 9-12 minutes, stirring occasionally, or until the onions begin to turn translucent. Turn off the burner but leave the skillet on the hot burner.
6
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Add cubed or shredded chicken, cumin, chili powder, garlic powder, paprika, cayenne pepper, sea salt, and black pepper. Stir until well mixed and seasoning is evenly dispersed. Add cream cheese, greek yogurt, and 1 cup of shredded cheddar cheese. Stir until well mixed.
7
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Remove the foil from the 9×13 casserole dish. Leave any leftover chicken juices. Dump entire mixture into the casserole dish. Top with remaining 1/2 cup shredded cheese.
8
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Bake uncovered for 20-25 minutes until the top is golden brown. Optional – broil for 3 minutes at the end to crisp the top. Watch it carefully.
9
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Top with avocado, cilantro, salsa, or your favorite fajita toppings.

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Tips & Tricks (5)

  • Char Your Vegetables First 🔥
    Sauté peppers and onions in olive oil over high heat until they develop caramelized edges before mixing into the casserole—this concentrates their natural sugars and mimics authentic fajita char flavor.
  • Cream Cheese Prevents Dryness 🧈
    Mix cream cheese with Greek yogurt and add to the noodle mixture gradually while warm to create a silky sauce that keeps the casserole moist during baking and reheating.
  • Toast Your Spice Blend 🌶️
    Bloom your cumin, chili powder, paprika, and cayenne in a small pan with a touch of olive oil before adding to the chicken to unlock deeper, more complex flavors that taste restaurant-quality.
  • Undercook Noodles by One Minute ⏱️
    Cook brown rice noodles to just under al dente since they'll continue cooking in the oven; this prevents mushy, overcooked noodles in your finished casserole.
  • Lime Juice Just Before Serving 🍋
    Reserve half your lime juice to drizzle over individual servings just before eating rather than mixing it all in early—this preserves the bright, fresh citrus flavor that defines authentic fajita taste.

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About the Cook

Project Meal Plan

Hi, I’m Danielle! My passion for meal planning came from a desire to save money and reduce food waste, and I want to share it with you! Besides cooking and photography, I absolutely love my cats & chicken (yes, just one!), growing food in my yard, and hot sandwiches!

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