What You Need:
1-pound ground beef that is lean
1 small yellow onion, chopped; 1 small green bell pepper, diced; 2 tablespoons butter
8 ounces of chopped brown mushrooms
1/2 cup of ketchup
1/2 tablespoon of Worcestershire sauce
50/50 milligrams of premium salt
freshly ground black pepper, 1/2 teaspoon
1/3 cup of cornstarch
3 tablespoons of beef stock
0.8 liters Chopped provolone cheese (if you want it milder, use 6 ounces)