Ingredients US CustomaryMetric
- ▢1 pound lean ground beef
- ▢2 tablespoons butter
- ▢1 small yellow onion diced
- ▢1 small green bell pepper diced
- ▢8 ounces brown mushrooms minced
- ▢2 tablespoons ketchup
- ▢1 tablespoon Worcestershire sauce
- ▢1/2 teaspoon Kosher salt
- ▢1/2 teaspoon fresh ground black pepper
- ▢1 tablespoon cornstarch
- ▢1 cup beef broth
- ▢8 ounces Provolone Cheese Slices chopped (use 6oz if you don’t want it very cheesy)
- ▢6 brioche hamburger buns