1 1/2 lbs hamburger
1/2 cup chopped onion
6 oz. can tomato paste
2 oz. can undrained mushroom stems and pieces(opt)
1 c. shredded mozzarella or cheddar cheese
1 tomato
1 to 1 1/2 tsp. oregano
1 1/4 tsp. salt
canned biscuits (10 in pkg)

Brown together the hamburger & onions. Drain. Stir tomato paste, mushrooms, oregano, salt & pepper into meat mixture & simmer. Press the biscuits into a greased 9" pie pan to form crust. Spoon meat mixture into crust. Slice tomato & arrange on top of pie; sprinkle with cheese. Bake at 350 for 20-25 minutes until golden brown. Let stand 5 min. before serving.