1 tablespoon of dry yeast dissolved in 1/4 cup of warm water, add 1 cup of milk, 1/2 cup of vegetable oil, 1 teaspoon of salt, 1 tablespoon of sugar, mix well. Add 4 cup of all purpose flour to make a dough. Put the dough in a warm place for 1-2 hr (let it raise about double the original size). Flat it.
1 layer of tomato paste, 1 layer of fried ground beef and onion, 1 layer of mozzarella cheese, 1 layer of mushroom, green pepper, pepperoni, one layer of mozzarella cheese.
Bake at 350F for 25-30 min.