6. In a small cup mix the beef broth and arrowroot powder together.
7. Add the ketchup, Worcestershire sauce, salt, black pepper, beef broth/cornstarch mixture into the pan.
1 pound Reunion Foods lean ground beef
2 tablespoons olive oil
1 small yellow onion diced
1 small green bell pepper diced
8 ounces brown mushrooms minced
2 tablespoons ketchup
1 tablespoon Worcestershire sauce
Salt and pepper, to taste
1 tablespoon arrowroot powder (sub cornstarch)
1 cup BOU beef broth (1/2 BOU Beef bouillon cube + 1 cup boiling water)
8 ounces Provolone Cheese Slices chopped (use 6oz if you don't want it very cheesy)
6 hamburger buns, of choice