Pizza Fondue

1 lb. hamburger
1 onion, chopped
1 TBS. cornstarch
1/4 tsp. garlic powder
2 (10 1/2 oz.) cans pizza sauce
1 c. grated cheese
1 c. grated cheese

Brown hamburger and onion together; drain. Add remaining ingredients, heat and stir until melted. Serve with bite-size pieces of French bread.

* More a main dish than appetizer.