Grilled Chimichurri Chicken Skewers

Ingredients

• 2 green bell peppers
• Metal or wooden skewers, soaked in water for 1 hour
• 1 red onion
• 3 boneless, skinless chicken breasts
• 1 tsp coarse salt
• 2 red bell peppers
• 1/4 cup chimichurri sauce
• 2 yellow bell peppers