INGREDIENTS
1 lb
Top round steak
10 oz
Cremini mushrooms
1
Flat-leaf parsley, fresh
1
Yellow onion, large
2 cups
Beef broth, homemade or store-bought low-sodium
2 tbsp
Dijon mustard
8 cups
Egg noodles, cooked
1 1/2 tbsp
All-purpose flour
1
Salt and freshly ground pepper, Coarse
2 tbsp
Olive oil
3 tbsp
Butter, unsalted
1 cup
Sour cream