Pita bread rounds (1 to 2 pkgs. depending on how many people being served)
Pizza sauce (leftover spaghetti sauce works, too)
Oregano
Garlic powder
Hamburger
Onions
Mushrooms
Pizz a cheese, shredded
(Use any toppings you prefer)

Saute hamburger; saute onions; saute mushrooms. Put on pita IN ORDER LISTED. Bake at 350 degrees 2 to 4 minutes until cheese melts.