Place the chopped bell peppers, pineapple and cut chicken breasts into a slow cooker and stir to combine.
In a medium mixing bowl, combine all the sauce ingredients and whisk well to combine.
Pour the sauce over the chicken. Secure the lid on your slow cooker. Set to cook on low for 5 ½ hours.
Whisk together the slurry, and pour it into the slow cooker. Continue cooking for 30-45 minutes, or until the chicken reaches 165 F.When finished, cool slightly and serve over cooked rice, or on its own.
Please note that the nutrition data given here is a ballpark figure. Exact data is not possible.