Ingredients
2 tablespoons sesame seeds6 tablespoons butter1 medium onion, chopped4 garlic cloves, minced1 cup strong brewed coffee1 cup soy sauce2 tablespoons white vinegar2 tablespoons Worcestershire sauce2 pounds beef top sirloin steak (1 inch thick)
Preparation
In a small skillet, toast sesame seeds in butter. Add onion and garlic; saute until tender. In a large bowl, combine the coffee, soy sauce, vinegar, Worcestershire sauce and sesame seed mixture.
Pour half into a shallow dish; add steak and turn to coat. Cover and refrigerate for 8 hours or overnight, turning occasionally. Cover and refrigerate remaining marinade.
Drain and discard marinade from steak. Grill steak, covered, over medium-hot heat for 6-10 minutes on each side or until meat reaches desired doneness (for medium-rare, a thermometer should read 135°; medium, 140°; medium-well, 145°). Warm reserved marinade; serve with steak.