Instructions: Clean the beef heart thoroughly, removing all nerves and fat. Cut into 1" cubes, place in non-reactive bowl, refrigerate and set aside.

Combine garlic, chiles, cumin, oregan, salt and pepper and 1 1/2 cups vinegar. Pour over meat. Add more vinegar, if necessary, to cover meat completely. Marinate, refrigerated, 12-24 hours. About 1 hour before grilling, remove meat from marinade and thread on skewers. Reserve marinade.

Soak the crushed chile in 1/3 cup warm water for 30 minutes. In processor, combine chiles and water with oil and salt. Add enough reserved marinade (3/4 cup) to make thick sauce, puree.

Brush skewered meat with sauce and grill over hot coals or under a broiler, turning and basting to cook quickly on all sides. Best cooked medium well, 4-6 minutes on the grill. Serve with remaining sauce for dipping.

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