Begin by preheating the oven to 425 degrees F. Then spray a baking pan with cooking spray.
Place both naan pieces on the pan. Spread each with about 1/4 cup hummus (depending on the size of your naan, you made need more or less. Then top with tomatoes, olives, onions, and cheese.
Bake 8 to 12 minutes until the crust is crisp and the cheese is melted. Slice and serve.