Heat oven and spray baking dish with nonstick cooking spray.
In a medium bowl stir all purpose, flour, baking powder, salt, and grated frozen butter together to all ingredients are equally distributed.
Please half of dough by the spoonful, dropping it evenly in the bottom of the baking dish not completely covering the bottom of the dish.
Drizzle ½ of pizza sauce, overdue and arrange half of pepperoni slices evenly over the sauce top with one cup of cheese
repeat layers with remaining dough, pizza sauce, pepperoni, and cheese
Bake for 25 minutes until brown
Prior to serving let cool to moderate temperature cut into squares and serve.