01 -
Place the chicken breasts at the base of the slow cooker, spreading them in an even layer.
02 -
Scatter the pineapple chunks evenly over the chicken.
03 -
In a mixing bowl, combine the soy sauce, brown sugar, apple cider vinegar, minced garlic, grated ginger, and red pepper flakes. Whisk until the sugar dissolves and the mixture is homogenous.
04 -
Pour the sauce evenly over the chicken and pineapple.
05 -
Secure the lid on the slow cooker and set to low. Cook for 4 to 6 hours, or until the chicken is fully cooked and tender.
06 -
Carefully remove the cooked chicken from the slow cooker and transfer to a cutting board. Shred using two forks, discarding any excess fat.
07 -
Combine the cornstarch and water in a small bowl, mixing until smooth and fully dissolved.
08 -
Pour the cornstarch slurry into the sauce remaining in the slow cooker. Stir thoroughly to combine. Cover and cook on high for 10 to 15 minutes until the sauce thickens.
09 -
Add the shredded chicken back into the thickened sauce. Stir gently to coat the chicken evenly.
10 -
Serve the sweet Hawaiian chicken over steamed rice or with your preferred side dish.