Cut chicken breasts in the middle to create a pocket for the stuffing.
Put both chicken breasts in a Ziplock bag and season with olive oil, sea salt, ground pepper, garlic powder, smoked paprika, and oregano. Let sit for a few minutes.
For the pepperoni pizza chicken: mix together pepperoni, marinara, mozzarella, garlic and mushroom well. Stuff chicken with mixture.
For the spicy goat cheese and spinach stuffed: mix together spinach, goat cheese, cheddar, garlic clove, chipotle mayo, and black pepper. Stuff chicken with mixture.
Put chicken in the oven and cook for 28-30 minutes until chicken is cooked through.
