Coffee is a key ingredient in Texas mop sauce, which is used to mop, or baste meat while cooking, giving it tenderness. The name comes from Southern cooks using mops to baste large meat chunks.
Ingredients (serves 4)
Coat a grill with cooking spray and heat to medium-high. Rub steak on both sides with pepper. Grill steak, frequently basting with the remaining mop sauce, 5 to 7 minutes per side for medium-rare. Allow steak to rest for 5 to 10 minutes.
Cut steak into thin slices and divide evenly amoung serving plates. Serve with reserved sauce for dipping.