Keto Pepperoni Pizza Chicken Bake (Printable)

Crispy pepperoni and melted mozzarella top seasoned chicken breasts in this low-carb casserole that captures classic pizza flavors.

# What You’ll Need:

→ Chicken

01 - 4 boneless, skinless chicken breasts (about 1.5 lbs)
02 - 1 tablespoon olive oil
03 - 1/2 teaspoon salt
04 - 1/4 teaspoon black pepper

→ Sauce & Cheese

05 - 3/4 cup sugar-free marinara sauce
06 - 1 1/2 cups shredded mozzarella cheese

→ Toppings

07 - 20 slices pepperoni
08 - 1/2 teaspoon dried Italian seasoning
09 - 1/4 teaspoon crushed red pepper flakes (optional)
10 - 2 tablespoons grated Parmesan cheese

→ Garnish

11 - 2 tablespoons chopped fresh basil or parsley (optional)

# How To Make It:

01 - Preheat oven to 400°F. Lightly grease a 9x13-inch baking dish.
02 - Pat chicken breasts dry with paper towels and season both sides evenly with salt and black pepper.
03 - Heat olive oil in a large skillet over medium-high heat. Sear chicken breasts for 2-3 minutes per side until lightly golden. Transfer to prepared baking dish.
04 - Spoon sugar-free marinara sauce evenly over the seared chicken breasts, ensuring complete coverage.
05 - Sprinkle shredded mozzarella cheese generously over the sauce-covered chicken.
06 - Arrange pepperoni slices over the mozzarella cheese layer in overlapping rows.
07 - Sprinkle Italian seasoning, red pepper flakes if using, and Parmesan cheese over the pepperoni.
08 - Bake uncovered for 20-25 minutes until chicken reaches internal temperature of 165°F and cheese is bubbly and golden brown.
09 - Allow to rest for 5 minutes. Garnish with fresh basil or parsley if desired and serve immediately.

# Expert Advice:

01 -
  • It's ready in just 40 minutes, perfect for busy weeknights
  • Each serving has only 5g of carbs while packing 42g of protein
  • The familiar pizza flavors satisfy cravings without breaking ketosis
  • It's naturally gluten-free and family-friendly
  • Prep is straightforward with minimal cleanup
02 -
  • For maximum flavor, choose a high-quality sugar-free marinara sauce with minimal ingredients
  • If your chicken breasts are very thick, butterfly them or pound them to an even thickness for more consistent cooking
  • Let the dish rest for a full 5 minutes after baking - this allows the juices to redistribute throughout the chicken
  • Make a double batch and refrigerate individual portions for quick keto lunches during the week
  • Check labels carefully - some marinara sauces and pepperoni brands can contain hidden sugars or fillers
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