Cheesy Salsa Chicken Casserole

This Cheesy Salsa Chicken Casserole is bursting with fresh flavor and cheesy goodness. Juicy, seasoned chicken breasts are smothered in a homemade, zesty tomato-jalapeño salsa and topped with melty mozzarella, then baked until tender and golden. It’s a perfect low-carb, keto-friendly dinner that’s easy to prep and guaranteed to become a family favorite. Serve it with rice, cauliflower rice, or a simple side salad for a complete meal.

Full Recipe: 

Ingredients

For the Chicken Casserole:

  • 2 lbs (900g) boneless, skinless chicken breasts

  • ¼ teaspoon cumin

  • ½ teaspoon salt and freshly cracked black pepper

  • 1 teaspoon crushed red chili pepper flakes (optional)

  • 1 cup shredded mozzarella cheese (or Monterey Jack, white cheddar)

  • Fresh chopped cilantro, for garnish

For the Salsa:

  • 4 ripe tomatoes, cored and quartered

  • ½ onion

  • 3 garlic cloves, peeled

  • 3 jalapeños, stemmed and seeded

  • ⅓ cup fresh cilantro

  • 3 tablespoons fresh lime juice

  • 1 tablespoon ground cumin

  • 1½ teaspoons salt

Directions

  1. Preheat oven to 375°F (190°C). Place chicken breasts flat in a large baking dish and season with cumin, salt, pepper, and crushed red chili flakes.

  2. In a food processor, blend the tomatoes, onion, garlic, jalapeños, cilantro, lime juice, cumin, and salt to make a chunky salsa.

  3. Pour the salsa evenly over the seasoned chicken breasts.

  4. Sprinkle shredded cheese over the top.

  5. Bake uncovered for 20–30 minutes, or until chicken is cooked through and internal temperature reaches 165°F (74°C).

  6. Remove from the oven, garnish with fresh chopped cilantro, and serve hot with your favorite side.

Nutrients (Per Serving – Approximate, serves 4)

  • Calories: 350 kcal

  • Protein: 45g

  • Fat: 18g

  • Carbohydrates: 6g

  • Fiber: 2g

  • Sugar: 3g

  • Sodium: 620mg

  • Cholesterol: 110mg

The Magic of a Homemade Salsa Base

What makes this casserole stand out is the fresh, homemade salsa. Using real, ripe tomatoes and aromatics like garlic, onion, and jalapeños elevates the entire dish. Instead of relying on a jarred sauce, you’re creating a vibrant salsa from scratch in just minutes using a blender or food processor. The fresh lime juice, cilantro, and cumin round out the salsa with brightness, herbaceous depth, and a touch of smoky spice. It’s a flavor combination that’s authentic, lively, and completely customizable based on your heat preference.

Juicy Chicken Baked to Perfection

Chicken breasts often get a bad rap for being bland or dry, but in this casserole, they’re anything but. When seasoned well and baked in a saucy environment like this salsa, the chicken remains tender and juicy from the first bite to the last. The spices provide a warm, slightly smoky foundation that plays perfectly with the heat of the jalapeños and the creaminess of the melted cheese. The salsa not only flavors the chicken but also helps lock in moisture during the bake, making this a foolproof way to get perfectly cooked chicken every time.

Cheese: The Finishing Touch That Makes It Irresistible

Melty, gooey cheese takes this casserole over the top. Whether you opt for mozzarella, Monterey Jack, or sharp white cheddar, the melted cheese acts as a rich, satisfying topping that balances the acidity of the salsa and adds creamy indulgence to the dish. As the casserole bakes, the cheese browns slightly and mingles with the bubbling tomato base, creating those crave-worthy golden edges that make every bite more satisfying than the last. The cheese also serves as a great bridge for adding extra toppings, like sliced olives, avocado, or even crumbled queso fresco.

Low-Carb and Keto-Friendly Without Sacrificing Taste

For those watching their carb intake, this casserole is an ideal option. With only about 6 grams of carbs per serving and loads of protein and healthy fats, it fits cleanly into low-carb and keto meal plans. There are no bread crumbs, pasta, or starch-based thickeners—just real food and bold flavor. The chicken provides lean protein, the cheese adds richness, and the salsa offers hydration, fiber, and nutrients from the vegetables. It’s satisfying, nutrient-dense, and doesn’t leave you feeling heavy or sluggish.

Versatile Pairings for Any Plate

This cheesy salsa chicken casserole is fantastic on its own but also pairs beautifully with a variety of sides. For a low-carb pairing, try cauliflower rice, sautéed zucchini, or roasted broccoli. If you’re not counting carbs, fluffy white rice, cilantro lime quinoa, or even tortilla chips for scooping make great additions. A simple green salad with lime vinaigrette adds freshness and crunch to the meal, balancing the richness of the baked casserole. The versatility of this dish makes it easy to adapt to different dietary preferences or family favorites.

Meal Prep Friendly and Great for Leftovers

Not only is this casserole easy to prepare, but it’s also perfect for meal prep and storing leftovers. Once baked, the dish can be divided into meal-sized portions and stored in the refrigerator for up to four days. It reheats well in the microwave or oven without losing moisture or flavor, making it an excellent choice for weekday lunches or ready-to-go dinners. You can even freeze it for future use, either before baking or after, giving you a flavorful backup meal for busy weeks.

Customizable for Heat and Flavor

One of the best parts of this casserole is how customizable it is. Love spice? Add more jalapeños or leave in some seeds for extra heat. Want it milder? Use fewer peppers and substitute poblano or bell pepper for a sweeter touch. You can also stir in a bit of sour cream or cream cheese for a creamier base, or add diced avocado and lime wedges after baking for a bright, fresh contrast. The chicken can be swapped for thighs if you prefer darker meat, and you can even add beans or sautéed veggies for a more filling casserole.

Family-Friendly and Kid-Approved

Despite its bold flavors, this casserole is a hit with kids and adults alike. The melted cheese, tender chicken, and slightly sweet, tangy salsa appeal to all ages. You can easily adjust the spice level to make it more kid-friendly, and it’s a great way to introduce young eaters to new flavors without overwhelming them. Served alongside familiar sides like rice, beans, or corn, it becomes a comfort food that still packs in real nutrition and home-cooked appeal.

Conclusion

Cheesy Salsa Chicken Casserole is more than just a quick dinner—it’s a flavorful, satisfying, and wholesome meal that brings bold Tex-Mex flavors to your table with minimal fuss. The homemade salsa adds freshness and authenticity, the chicken cooks up juicy and tender, and the cheese adds that irresistible gooey finish that everyone loves. Whether you’re meal prepping, feeding a hungry family, or simply looking for a delicious low-carb option to add to your rotation, this casserole delivers every single time. It’s healthy comfort food that proves simple ingredients can create something truly amazing.

 

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