In a non-stick pan, sauté garlic until it starts to brown, then add pepperoni, oregano, and marinara sauce. Bring to a boil, then reduce heat and simmer for 5 minutes. Remove from heat and stir in fresh basil. Pour into a baking dish.

Rinse non-stick pan, oil, and sear peppered chicken.

Put chicken in baking dish, cover with marinara, then add mozzarella. Bake for 20 minutes at 375°.