INGREDIENTS
1 lb
ground beef
1/3 cup
breadcrumbs (fresh or dried)
1/4 cup
milk
1 1/2 tsp
Worcestershire sauce, DIVIDED
1 tsp
dried parsley
1 tsp
prepared yellow (or Dijon) mustard, DIVIDED
1/2 tsp
salt, plus additional for gravy
Freshly ground black pepper,
2 cups
low-sodium beef broth
2 tsp
tomato paste (or ketchup)
1/2 tsp
beef bouillon base (such as organic Better Than Bouillon), optional
4 tbsp
butter, DIVIDED
8 oz
white mushrooms, sliced
3 cloves
garlic, minced
3 tbsp
all-purpose flour