Use plain or flavored hummus as the sauce for this pita pizzetta. Ingredients 8 4-inch pita bread rounds 1/2 of a 7-ounce container hummus 3/4 cup roasted sweet red peppers, drained and chopped 1/2 cup crumbled feta cheese (2 ounces) 1/2 cup shredded mozzarella cheese (2 ounces) 8 pitted kalamata olives,...