Sanitize all work areas, cutting boards, equipment and sinks used in the preparation of this recipe.
Combine mayonnaise, sour cream, parmesan, asiago, Minced Garlic, basil, vinegar and S&P into a stainless-steel bowl.
Whisk together until thoroughly combined and smooth.
Fold in remaining ingredients.
Mix until ingredients are evenly distributed throughout the mixture. Taste and adjust seasoning as needed.
Transfer to clean food storage containers, or portion 8 oz, by weight, directly into the gratin dishes. Cover, label, date and store refrigerated.
—