To make the jerk paste:
1. Combine all jerk paste ingredients in a food processor and blend until smooth.
2. Adjust seasonings.
3. Toss chicken breast pieces with Jamaican Jerk Paste in a large bowl. Cover and let marinate in the refrigerator for 15-20 minutes.
To assemble the chicken skewers:
1. Preheat oven to 375 F
2. Toss onion and pepper pieces with olive oil, salt, and pepper.
3. Remove skewers from water and pat dry.
4. Thread chicken, peppers, and onions onto the skewers.
5. Roast skewers in the oven until cooked, 15-20 minutes, turning occasionally.