Brown Sugar Pineapple Wings Chicken

Ingredients:

2 pounds chicken wings, split and tips removed

1 cup pineapple juice

1/2 cup packed brown sugar

1/4 cup soy sauce

2 tablespoons ketchup

1 tablespoon apple cider vinegar

2 cloves garlic, minced

1/2 teaspoon ground ginger

1/2 teaspoon chili flakes (optional)