Preheat waffle iron about the the medium-high setting. Melt butter in a pan on low heat. Pour butter into a small cup.
Brush butter on to one side of the bread, sprinkle with garlic seasoning and place butter side down on to waffle iron. take a spoonful of pizza sauce and spread on the bread.
Add 1 slice mozzarella, 4 pepperoni, another slice of mozzarella, then a little more pizza sauce on top. Cover with the top slice of bread. Brush on a little more butter on top of the bread with some garlic seasoning.
Press waffle iron down firmly to begin cooking and pressing sandwich into the shape of a waffle. Cook for about 1-2 minutes until bread is golden brown. Repeat until all sandwiches are made. Enjoy!!