INGREDIENTS
1 tbsp
olive oil
1 lb
lean ground beef
1
yellow onion ((diced))
1
green bell pepper ((diced))
8 oz
mushrooms ((minced))
1 tbsp
flour
1 cup
beef broth
2 tbsp
Worcestershire sauce
2 tbsp
ketchup
1 tbsp
Dijon mustard
1/2 tsp
garlic powder
1/2 tsp
onion powder
1/4 tsp
black pepper
1/2 tsp
sea salt ((more if desired))
6 oz
Provolone Cheese Slices ((chopped))
1/3 cup
Cheddar cheese
6
brioche hamburger buns ((or any other buns of your choice))