Step 1

Make the sauce by combining the soy sauce, vinegar, and sweetener in a small bowl. Set aside.

Step 2

Melt the butter in a cast iron pan over a medium-high heat. Add the garlic and sauté for a few minutes, stirring frequently. Next, add in the steak and turn to coat them in the garlic butter.

Step 3

Pour the sauce into the pan and cook until the steak is cooked to your liking.

Step 4

Garnish with finely chopped green onions and season with salt and/or black pepper, if liked.