1 cup ricotta cheese |
1/2 cup chopped pepperoni |
1/2 cup sliced ripe olives |
1/2 cup sliced fresh mushrooms |
1/2 cup sweet red pepper |
1/2 cup chopped onion, divided |
1 cup shredded mozzarella cheese, divided |
1 cup pasta sauce, any variety |
toasted garlic bread or assorted cracker |