Grilled Jamaican "Jerk" Chicken

As requested a Jamaican side dish, from Billy Jack's. I am guessing on the grilling time.

• Ready In: 35 mins
• Serves: 10

Ingredients

• 10  skinless chicken breasts
• 1⁄2 cup  vegetable oil
• 2  teaspoons chili powder
• 2  teaspoons garlic powder
• 2  teaspoons  onion salt
• 2  teaspoons basil
• 2  teaspoons thyme
• 2  teaspoons  vegetable seasoning
• 2  teaspoons crushed red pepper flakes
• 2  teaspoons cumin
• 2  teaspoons  coriander
• 2  teaspoons ginger
• 2  teaspoons black pepper
• 1  teaspoon cinnamon
• 1  teaspoon ground cloves
• 1  teaspoon allspice
• 1  teaspoon cayenne
• 1  teaspoon salt
• 1⁄4 cup sugar
• 1  onion, diced
• 1  green pepper, diced

Directions

1. Pound chicken to tenderize.
2. Mix onion, green pepper, oil, sugar, and seasonings in bowl with chicken and refrigerate for four hours or overnight.
3. Grill until just done.
4. Do not overcook.
5. Accompany with salsa, red chile sauce, pineapple-jicama relish, pineapple-chipotle salsa, or sauce or one's choice.