Peruvian Anticuchos

Ingredients

 * 3 x Aji or Jalapeno chiles, chopped, stems and seeds removed
 * 3 tbl Dried crushed red chiles (Piquin chiles) seeds included
 * 1 tbl Achiote (red seeds of Annatto tree, available in Latin markets, or in some spice areas of grocers)
 * 1 1/2 tsp Cumin seeds
 * 2 tbl Olive oil
 * 4 x Cloves garlic, chopped
 * 3/4 cup Red wine vinegar
 * 1/2 tsp Salt
 * Fresh ground black pepper
 * 4 lb Beef heart, cut into 1" cubes (substitute sirloin or chicken breast)

Directions

 * Simmer the Annatto and cumin seeds in the oil for 5 minutes.
 * Strain the oil and discard the seeds.
 * Place all the ingredients for the marinade in a blender and puree until smooth.
 * Marinate the meat in the mixture overnight, refigerated.
 * Thread meat onto skewers and grill over charcoal