In a mixing bowl, whisk together pineapple juice, brown sugar, ketchup, soy sauce, ginger and garlic.
Pour marinade into a large resealable plastic bag and add chicken.
Seal bag and place in the fridge for at least 4 hours (or overnight).
Remove bag from fridge, drain and discard marinade from chicken.
Grill chicken over medium-high heat for 6-8 minutes on each side or until internal temperature of chicken reaches 165℉.
Notes
If you aren’t up for grilling but don’t want to miss out on this awesome recipe, you can also bake this in the oven at 400℉ until fully cooked through, and the juices run clear. It will be around 25-30 minutes.