Jack Daniel's Flank Steak

1 1/2 lbs. flank steak, about 1/2 inch thick
1 cove garlic, minced
2 teaspoons dry mustard
1/4 cup Jack Daniel's whiskey
2 tablespoons butter
salt and pepper to taste

With a sharp knife score the flank steak, about 1/8 inch deep, making a diamond pattern. Mix garlic, mustard and whiskey together. Place steak and marinade in a resealable bag and refrigerate (or place in cooler) overnight.

Remove steak from refrigerator (or cooler) and preheat grill. Grill about 3-5 minutes per side brushing with butter periodically.

Slice into strips, across the grain and serve.