We have these a lot during Lent. They are SO tasty! I like to make cous cous on the side.
Here's my spin on a quick greek pizza.
1 bag of pita bread
2 packages Feta cheese or 1 bag mozzarella cheese
purple onion diced
4 roma tomatoes diced (or canned tomatoes work too)
Spread hummus on pitas. Sprinkle with cheese of choice. Layer with diced onions, tomatoes, olives and any other toppings. Bake in oven until pitas are a little crispy and cheese is melted. I usually make them in our toaster oven on "broil" for about 8 minutes.