1. Spread English muffins with the pizza sauce.
2. Place approximately 5 slices of pepperoni on each half of the English muffins.
3. Top with the mozzarella cheese to your liking and place on a greased cookie sheet.
4. Bake at 475 degrees for about 12-15 minutes. These can also be frozen on a cookie sheet in a plastic bag for up to two months.