"Juicy strips of beef smothered in a sour cream mushroom gravy - a quick dinner everyone will love! This timeless retro classic has Russian origins. The traditional version was a bit simpler with no onions and mushrooms - these got added as Stroganoff gained popularity around the world. I have never known Stroganoff without mushrooms so it's a must in my books! KEY STEPS: Sear beef super quickly for maximum juiciness and use a large skillet (for quick sear + fast sauce reduction). Recipe VIDEO below...."