Grilled Chicken With Onions and Peppers

Name: Grilled Chicken With Onions and Peppers
Ingredients: prepare onion and pepper for grilling; * 1-2 large yellow or sweet onion; * 2 large red or yellow pepper; * 2-3 tbl olive oil (less or more to taste); * 2-3 tbl balsamic vinegar (less or more to taste); * salt and pepper to taste; for grilling chicken; * 4-6 boneless chicken breast, rinsed and patted dry; * 1 clove garlic chopped; * 3 tbl fresh chopped parsley; * juice from 1/2 lemon; * 2 tbl grapeseed oil