Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        boneless pork loin
   2                    red bell peppers, cut 1 12 x 34-inch -- strips
   2                    red onions, cut in 1 1/2 x 3/4
                         -- x 1/2-inch strips
                        ***MARINADE***
   1      tablespoon    pineapple juice
   1      tablespoon    rice wine vinegar
     1/4  teaspoon      ground cumin
     1/4  teaspoon      ancho chili powder
   2      tablespoons   minced ginger
   1      tablespoon    minced garlic
   1      ounce         soy sauce

Preparation:

Mix all marinade ingredients well. Cut the pork butt into 1 inch cubes and marinate, covered in the refrigerator for 4 hours. Remove the meat from the marinade. Discard the remaining marinade. Thread the pork, red pepper and onion on skewers. Season to taste with salt and pepper. Grill over medium heat 5 minutes on each side.