Ingredients:

1 tablespoon oil

1 diced onion

1 diced green bell pepper

8 ounces diced mushrooms

2 cloves chopped garlic

2 pounds ground beef

1/2 teaspoon salt

1/2 teaspoon pepper

1/2 cup optional cheese whiz

1 teaspoon Worcestershire sauce

2 tablespoons ketchup

2 eggs

1 cup panko breadcrumbs (gluten-free if needed)

4 ounces optional provolone

8 slices provolone

Instructions: