INGREDIENTS
1 lb
ground beef
1
green pepper (finely chopped)
1/4 cup
bread crumbs
1
large egg
2 tsp
ketchup
1 tsp
mustard
1/2 tsp
dried parsley
1/2 tsp
dried onion powder
1/4 tsp
fine sea salt
1 tsp
oil
2 tbsp
butter
2 tbsp
flour
1 1/2 cups
beef stock
1 tsp
ketchup
1 tsp
Worcestershire sauce
1/2 tsp
dried onion powder
1/2 lb
brown button mushrooms (sliced)