An easy recipe for the best Beef Stroganoff! Thinly sliced strips of tender beef simmered in a juicy, creamy gravy. Serve it over noodles, rice, or mashed potatoes for an easy 30-minute meal.
If desired, freeze beef for 10 to 15 minutes for easy slicing. Thinly slice meat across the grain into bite-size strips.
In a small bowl stir together sour cream and flour. Stir in bouillon granules, water, and 1/4 teaspoon black pepper. Set aside.
In a large skillet over medium-high heat, melt butter until foaming. Stir in beef, mushrooms, and onion and cook until softened, about 5 to 7 minutes. Drain grease if desired.
Stir in garlic until fragrant, about 30 seconds. Stir in sour cream mixture. Bring to a simmer and cook until thickened, about 2 minutes. Serve over noodles.