Caribbean Jerk Chicken

I marinated the chicken for about 6 hours & then poured the extra sauce in while cooking as well. I love lots of cinnamon in my sweet potatoes, gives good flavor & then you don't have to add as much sugar!

Chicken Breasts
Caribbean Jerk Marinade (Store bought)
Sweet Potatoes
1-2 tsp sugar
1 tbsp cinnamon
butter