INGREDIENTS
5 Tablespoons
butter
2
yellow onions
1
egg
2 Tablespoons
worcestershire sauce
2 1/4 cups
beef broth
1 1/2 Pounds
lean ground beef
1/3 cup
panko breadcrumbs
2 tsp
italian seasoning
2 tsp
garlic powder
1 serving
Salt & Pepper
1/3 cup
flour
2 1/4 cups
beef broth
8 Slices
provolone cheese
1/2 cup
parmesan cheese