• Cut pork into ½ thick x 1-inch wide x 1 ½ inch long pieces.
• In a large bowl combine soy sauce, garlic, onion, juice of 2 lemons, 7-UP, ground black pepper, dark brown sugar and ketchup.
• Whisk mixture to dissolve ingredients well and pour marinade mixture onto the pork.
• Cover and set in the fridge overnight or at least 4 hours before grilling.
• Soak bamboo skewers in water for at least 30 minutes before putting meat on.
• Slide pork onto skewers and set aside.
• Grill on direct heat until pork is done, turning as needed to obtain char marks on both sides. (about 10-15 minutes)

Note: You can marinate the cut up meat in a container before placing on skewers or go ahead and skewer the meat place in a suitable length container and pour the marinade over.