INGREDIENTS
For the patties:
1 1/2
lbs ground beef
1
egg
1/4 cup
onion, minced
1/4 cup
dried bread crumbs
1 clove
garlic, minced
1/2 tsp
salt
1/4 tsp
pepper
For the sauce:
1 1/2 cups
beef broth
1
small onion, sliced
6 oz
mushrooms, sliced
1
package of brown gravy mix
2 tbsp
cornstarch
1 tbsp
ketchup (optional)
1 tbsp
Dijon mustard (optional)