Add walnuts, marshmallows, chocolate chips or smother in chocolate frosting after cooling. Add different flavors with mint, peanut butter, or butterscotch chips. Want a non-traditional spin? Add cinnamon or sprinkle coconut flakes on top for a bit of a crunch.

chocolate chips, Nutella, caramel, various fruit, purees like pumpkin, and peanut butter

Cheese and peppers, garlic butter, roasted tomatoes, green chiles, bacon, and pepperoni.