Skillet Steaks with Diced Potatoes
1 lb. round steak, 1/2-inch thick, cut into 4 serving pieces
1 envelope onion soup mix
4 tbsp. butter, divided
6 medium red potatoes, cubed
1/2 c. water
1 tsp. Dijon mustard
Sprinkle steak with onion soup mix. Pound soup mix into steak with a meat mallet. Heat 2tbsp. butter in a large skillet over medium heat; add steak.
Cook steak for 5 minutes on each side; remove from skillet. Add remaining butter and potatoes to skillet; cook, stirring occasionally, until potatoes are browned, about 5 minutes.
Return steak to skillet. Add 1/2c. water. Cover; cook until potatoes are tender, about 15 minutes.
Move steak and potatoes to one side of skillet. Add mustard to pan juices; stir. Place steak and potatoes on serving plates. Pour sauce over.