1 (1 ounce) bag frozen chopped spinach (thawed and drained or patted dry with a paper towel.) |
1/2 cup butter, melted |
1 cup sweet onion (diced finely) |
1 (8 ounce) bag shredded monterey jack cheese |
1 (8 ounce) bag shredded mozzarella cheese |
1 (8 ounce) bag shredded swiss cheese |
1 (8 ounce) carton heavy cream |
1 1/2 cups miracle whip |
1 teaspoon garlic salt |
1 tablespoon worcestershire sauce |
1 (4 ounce) bag fresh shredded parmesan cheese (reserved for the topping) |