Sweet and Sour Grilled Pork Loin with Apples and Onions

Why I Love This Recipe
You can use any sweet and sour sauce recipe that you like for this dish. In a pinch I've used Marzetti's Fat Free Sweet and Sour dressing and it was delicious!
Ingredients You'll Need
2-3 lb. boneless pork loin
1 large red onion
2 green apples
1 1/4 c. Sweet and Sour sauce
2 Tbls olive oil
Directions
Place pork loin in a shallow dish ir large xiploc bag and pour in 1 cup sweet and sour sauce.
Marinate in the refrigerator at least 2 hours.
Slice apples into quarters and remove cores.
Slice one end off onion, remove skin, and slice into quarters, leaving one root end intact.
Toss apples and onions in a medium bowl with 2 Tbls olive oil to coat.
Place apples, onions, and pork on a preheated grill.
Cook over medium high heat to sear, about 4-5 minutes per side.
Reduce heat to low and continue cooking until onions and apples are tender, remove from heat to a large piece of foil.
Drizzle remaining sauce over onions and apples, fold foil into a packet and shake.
Cook pork until it has reached an internal temperature of 160-165 degrees.
Allow pork to rest at least 5 minutes before slicing.
Serve with onions and apples.