1/2 pound bulk Italian sausage
1cup chopped onion
2 jars (26 ounces each) meatless pasta sauce
4 ounces thinly sliced ham, finely chopped
1 package (3 ounces) sliced pepperoni, finely chopped
1/4 teaspoon red pepper flakes
1pound mozzarella cheese, cut into 3/4-inch cubes
1 loaf Italian or French bread, cut into 1-inch cubes
Cook sausage and onion in large skillet over medium-high heat, until sausage is browned, stirring to break up meat.
Drain fat. Transfer sausage mixture to slow cooker.
Stir in pasta sauce, ham, pepperoni and pepper flakes.
Cover; cook on LOW 3 to 4 hours.
Serve fondue with cheese and bread cubes.