2 lbs boneless skinless chicken breast halves
1/2 cup ketchup
1/3 cup pineapple juice (apple juice could be substituted)
1/4 cup low sodium soy sauce
1/4 cup honey
2 1/2 tsp molasses
1/4 tsp liquid smoke
1/4 tsp coconut extract
1/2 tsp ground ginger
1/2 tsp onion powder
1/2 tsp garlic powder
freshly ground black pepper, to taste
1 Tbsp cold water
1 Tbsp cornstarch
2 Tbsp tomato paste
6 fresh pineapple rings (cut about 1/2" thick)
4 Tbsp brown sugar, divided
1 Tbsp butter, divided