Grilled Free Range Organic Chicken Adobo

1/2 cup onion, chopped 1/3 cup fresh lime juice 6 garlic cloves, coarsely chopped 1 teaspoon cumin 1 teaspoon oregano 1/2 teaspoon thyme 1/4 teaspoon red pepper 6 boneless skinless free range organic chicken breasts 3 tablespoons fresh cilantro, chopped   Preparation...