In a medium bowl, whisk together pineapple juice, lemon juice and garlic. Reserve 1/4 cup of marinade.
1/2 cup pineapple juice, 2 Tbsp lemon juice, 2 cloves garlic
Season pork with salt and pepper. Add to remaining marinade and let sit for 5-10 minutes (up to overnight).
2 lb pork tenderloin, Salt and pepper
Heat oil in large pan over medium heat. Remove pork from marinade and add to pan. Discard marinade that pork was in. Cook pork for 2-3 minutes or until lightly browned (it does not need to be cooked through).
1 Tbsp oil
Add onion and peppers to pan. Cook for 3-5 minutes. Add reserved marinade and bring to boil. Cook for an additional 5 minutes or until pork is cooked through. Remove from heat.
1 red onion, 2 bell peppers
In a medium bowl, stir together rice, cilantro and lime juice.
3 cups cooked rice, 2 Tbsp cilantro, 1 Tbsp lime juice
Serve rice alongside pork and pepper mixture. Add pineapple chunks and top with BBQ sauce before serving.
2 cups pineapple chunks, 1/3 cup BBQ sauce