Step 1

Cut steak into bite-sized pieces, about 1/2-inch to 3/4-inch. Season liberally with salt and pepper.

Step 2

Heat a large skillet over medium-high heat and add 1 tablespoon of the butter. Swirl to coat pan and add a third of the meat.

Step 3

Cook for 1 minute, then flip steak. Cook 1 minute more. Remove to a plate and repeat with remaining steak in two batches. Tent cooked steak lightly with foil.

Step 4

Add remaining 2 tablespoons butter to skillet and add mushrooms. Season with a bit of salt and let mushrooms cook without stirring for 2-3 minutes. Stir and continue cooking until soft. Add garlic and cook 1 minute more.

Step 5

Add mushrooms and any buttery drippings to steak and stir to combine. Serve and enjoy!