Step 1

Preheat your oven to 400 degrees f.

Step 2

Heat a large skillet over medium-high heat.

Step 3

Add in ground meat, garlic, and cook while crumbling with a wooden spoon until no longer pink, about 6-8 minutes.

Step 4

Drain excess grease.

Step 5

Season with Italian seasoning, sea salt and pepper, then stir in the diced tomatoes.

Step 6

Continue to simmer on medium-low heat for 8-10 minutes, or until sauce thickens a bit.

Step 7

Pour your marinara sauce into the bottom of the casserole dish and spread with a spatula.

Step 8

Arrange the peppers, cut side up as shown, and evenly spoon the meat mixture inside.

Step 9

Sprinkle with shredded cheese and arrange pepperoni slices and olives on top.

Step 10

Bake for about 15-20 minutes or so until peppers are tender-crisp and cheese is nice and melty.

Step 11

Sprinkle with red pepper flakes if desired.

Step 12

Enjoy!