Heat the oven to 350. In a large frying pan, cook groun beef over medium-high heat 5 to 7 mins. Make sure to stir occasionally until fully cooked. Drain off the fat & stir in the pepperoni & pizza suacce.
Cook 2 to 3 mins over medium heat until hot. Stir in the cheddar cheese & 1cup of the american cheese blend until all melted.
Then arrange bread slices on 2 ungreased cookie sheets. Spread generous tbsp of the beef mixture on each slice. Top each 1 with 1 tsp of the remaining cheese.
bake for about 15 to 20 mins or until fully heated & crisp. Serve warm.