→ Beef
01 -
1 lb 5 oz rib-eye steak, trimmed and pounded to 3/8 inch thickness
02 -
Kosher salt, to taste
03 -
Freshly cracked black pepper, to taste
04 -
2 tbsp neutral oil
→ Sauce and Vegetables
05 -
10 oz cremini mushrooms, sliced 1/8 inch
06 -
1 medium yellow onion, thinly sliced
07 -
2 tbsp unsalted butter
08 -
1 tbsp Dijon mustard
09 -
2 cups low-sodium beef broth
10 -
2/3 cup full-fat sour cream
11 -
1 tbsp all-purpose flour
→ For Serving and Garnish
12 -
Egg noodles or tagliatelle
13 -
Chopped chives