Garlic Butter Steak and Potatoes Skillet

Ingredients: 1 1/2 lb (650g) flank steak, sliced against the grain (or ribeye steak, tenderloin, strip loin, strip steak…)1 1/2 lb (650g) baby yellow potatoes, quartered1 tablespoon olive oil3 tablespoons butter, divided5 garlic cloves, minced1 …