-I made this dressing for a large gathering recently and needed enough dressing to feed about 75 people. We tossed the salad with the dressing, and there was plenty of leftover dressing. On the Food.com website there is a cool little tool showing the amount of servings in the recipe. You can place your cursor over the up or down arrow and increase or decrease the serving sizes. Once you hit enter, the recipe will update the amount of ingredients you need. Balsamic for a crowd: