Vidalia Onion Dressing Meal prep! Making grilled Vidalia onions. These things are phenomenal. Vidalia onions are a sweet, mild variety of yellow onion that are grown in 20 counties in South Georgia. They are known Amazon.com : Oak Hill Farms Vidalia Onion Vinaigrette Single Bottle, 33.8 Oz : Vinaigrette Salad Dressings : Grocery & Gourmet Food Creamy Vidalia Onion Dressing Adcock Pecans Vidalia Onion Poppyseed Dressing Carroll's Sausage & Country Store Vidalia Onion Honey Mustard Old Florida Farms