1 (8 inch) baked pie shell
1/4 c. chopped onion
1/4 c. sliced green olives
1/2 c. shredded Mozzarella
1/2 lb. hamburger
1/2 c. chili sauce
1/2 tsp. garlic salt
1/4 c. sour cream
1 1/2 tsp. flour
1/2 c. shredded cheddar

Preheat oven to 400 degrees. In large skillet, brown beef and onion; drain. Stir in chili sauce, garlic salt, olives, sour cream and flour. Stir, mixing well. Spoon into pie shell. Mix both cheeses and sprinkle over top of meat mixture. Place on preheated cookie sheet. Reduce oven to 375 degrees and bake 20-25 minutes or until cheese is lightly browned.