Prepare your onions by cutting ½ inch off the stem end, then peel all the skin off.Place onion cut side down, then ½ inch from the ROOT make a downward cut straight to your cutting board.Repeat to make four evenly spaced cuts around the onion.Continue slicing evenly between sections until you have 16 evenly spaced cuts.Turn the onion over and separate the petals.on foil ( for easy clean up) sprinkle your onions with the Italian seasoning mix, salt and pepper and grated cheese.Finish by generously drizzling olive oil all over.Place on plank, if using.Have grill heated on low and cook until petals pull off easily and our soft and tender. About 1 hour.Garnish with fresh basil and parsley.FOR THE AIOLIPlace all the ingredients into a food processor until well blended.