Spread butter on both sides of bread slices and sprinkle with Parmesan, garlic and Italian seasoning. Heat the grill to high heat on one side and medium on the other side.
Place the seasoned bread over the medium heat and the frozen chicken patties over the high heat.
Grill the chicken patties over high heat for 9-11 minutes, turning occasionally.
Toast the bread for 5-7 minutes until golden, turning often.
Place a grilled chicken patty on a slice of the toasted bread.
Top it with pizza sauce, mozzarella cheese, pepperoni slices and a sprinkle of oregano.