Pizza Fondue

INGREDIENTS:
1 lb ground beef
1 onion, finely chopped
1 T garlic powder
2 cans (10oz) pizza sauce
1 jar (16oz) alfredo sauce
1-1/2 cups shredded Cheddar cheese
1 cup shredded mozzarella cheese
1/2 cup grated Parmesan cheese
Ready-made pizza crust, sliced

DIRECTIONS:
In a large nonstick skillet, cook ground beef and onion over medium-high heat.  Drain well.  Add remaining ingredients and cook over low to medium heat, stirring frequently, until cheeses melt and mixture is blended.  Pour into fondue pot.  Dip pizza crust slices in fondue mixture.