Fried Venison Heart

1 Venison heart

1 md Onion, sliced

1 ts Prepared mustard

1 ts Pickling spice

1 ts Salt

3 ts Wine vinegar

1 c Red wine

Flour 2 ts Butter

Split heart in half. Remove all vents and ducts. Misx onion, mustard, pickling spice, salt, wine vinegar, and wine in large glass bowl. Soak heart in marinade overnight. Dredge pieces in flour and fry in butter over high heat. When both sides are browned reduce heat and continue to cook 5 to 10 minutes longer.