Anticuchos Picantes

Ingredients

 * 1 beef heart

Marinade

 * 8 garlic cloves, pressed
 * 2 chiles, rocoto, stemmed, seeded, minced
 * 2 tbsp cumin, ground
 * ½ tbsp oregano, dried
 * salt, to taste
 * pepper, black, to taste
 * 2 cup red wine vinegar

Sauce

 * ⅓ cup chiles, dried, aji, crushed
 * 1 tbsp 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 1½ 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 ⅓ cup warm water for 30 minutes.
 * 9) In processor, combine chiles and water with oil and salt.
 * 10) Add enough reserved marinade (¾ 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.