INGREDIENTS
2 tbsp
olive oil
1/2
medium onion, thinly sliced
8 oz
mushrooms, stemmed and sliced
2 cloves
garlic, minced
1 lb
ground beef
3 tbsp
Worcestershire sauce
2 tbsp
Dijon mustard
Kosher salt
Fresh cracked black pepper
3 cups
beef stock
8 oz
elbow macaroni (or other short cut pasta)
3 tbsp
butter
3 tbsp
flour
1 cup
milk, warmed
2 cups
Swiss cheese, shredded
Fresh parsley, chopped (for garnish)