INGREDIENTS
1 lb
flank steak
1 tbsp
olive oil
1 tbsp
paprika
1 tbsp
garlic powder
1 tsp
pepper, divided
2 tsp
salt, divided
2 tbsp
worcestershire sauce
2 tbsp
unsalted butter
3
large white onions, sliced
3
green bell peppers, sliced
6
red bell peppers
15
slices provolone cheese
2 tbsp
chopped parsley, for garnish