Preheat oven to 375 degrees. Combine all the above in a bowl and mix until smooth.Scrape into a baking dish. Bake for about 20-25 minutes or until the top browns – the browner it gets the more flavorful it will be.Note: Don’t cook at higher than 375 degrees or you run the risk of separating your cheese which will make the dip greasy. For best results, don’t use low-fat anything. When making this Hot Onion Dip, you’ve got to live it up!