Grilled Cheese Crust Pizza

Name: Cheese Lover's Grilled Cheese Crust Detroit Style Pizza
Yield: 0
Ingredients: 4 tablespoons olive oil, divided; 2 packages Pillsbury thin crust pizza dough; 2 1/2 cups part-skim shredded mozzarella, divided; 3/4 cup pizza sauce; 20 slices pepperoni