Place chopped onion into blender and blend until well pureed . Scrape down the sides of the blender with a spatula, add Lavender Balsamic, Italian Herb Balsamic, honey, salt and pepper. Pulse in blender until well combined. With blender running on low, slowly add olive oil in a thin stream to ensure all is emulsified. Allow dressing to sit for at least an hour. Whisk immediately before serving.