Preheat oven to 400 degrees. Line parchment paper on a large baking sheet. Place the mini sweet peppers onto the baking sheet. Set aside.
Mix together the cream cheese, mayonnaise, artichoke hearts, spinach, mozzarella cheese, parmesan cheese and garlic together. Season with salt and pepper, to taste.
Using two spoons place the spinach and artichoke dip into the mini sweet peppers.
Bake for 10 minutes and then broil for another 1-2 minutes.