INGREDIENTS
1 lb
Ground beef
1
Onion, peeled and finely diced
1
Egg
1/4 cup
breadcrumbs
2 tbsp
milk
1 tbsp
chopped parsley
1/2 tsp
salt
1/4 tsp
black pepper
1/4 tsp
garlic powder
2 tbsp
unsalted butter
8 oz
Baby Bella mushrooms, sliced
2 tbsp
all purpose flour
2 cups
beef stock
1 tbsp
Worcestershire sauce
1 tbsp
chopped parsley
Salt and pepper