Anticuchos Picantes

Ingredients
MARINADE: SAUCE:
 * 1 x Beef Heart
 * 8 x Garlic Cloves, pressed
 * 2 x Chiles, Rocoto, stemmed, seeded, minced
 * 2 tbl Cumin, ground
 * 1/2 tbl Oregano, dried
 * salt, to taste
 * Pepper, black, to taste
 * 2 cup Vinegar, wine, red
 * 1/3 cup Chiles, dried, aji, crushed
 * 1 tbl Oil, vegetable
 * Salt, to taste

Directions

 * 1) Clean the Beef Heart thoroughly, removing all nerves and fat.
 * 2) Cut into 1" cubes, place in non-reactive bowl, refrigerate and set aside.
 * 3) Combine garlic, Chiles, Cumin, Oregano, salt and Pepper and 1 1/2 cups vinegar.
 * 4) Pour over meat.
 * 5) Add more Vinegar, if necessary, to cover meat completely.
 * 6) Marinate, refrigerated, 12-24 hours.
 * 7) About 1 hour before grilling, remove meat from marinade and thread on skewers.
 * 8) Soak the crushed chile in 1/3 cup warm water for 30 minutes.
 * 9) In processor, combine chiles and water with oil and salt.
 * 10) Add enough reserved marinade (3/4 cup) to make thick sauce, puree.
 * 11) Brush skewered meat with sauce and grill over hot coals or under a broiler, turning and basting to cook quickly on all sides.
 * 12) Best cooked medium well, 4-6 minutes on the grill.