Step 1

Preheat oven to 350 degrees.

Step 2

Add the chicken, marinara, 1/2 cup of mozzarella, Parmesan, garlic, and red pepper flakes to a large mixing bowl. Stir well to combine.

Step 3

Cut the peppers in half lengthwise and remove the seeds and membranes. Place peppers in a 9x13 baking dish.

Step 4

Spoon the chicken mixture evenly between the peppers and top with the remaining mozzarella cheese.

Step 5

Add two tablespoons of water to the bottom of the baking dish and cover tightly with foil.

Step 6

Bake for 25 minutes or until peppers have softened to your liking.

Step 7

Serve immediately.