Ah-So Sauce – Sweet & Tangy Classic BBQ Marinade (Bottle) Bring home the classic sweet, tangy flavor of Ah-So Sauce, a longtime favorite known for its signature red glaze and versatile use in home cooking. Perfect as a marinade, grilling sauce, or finishing glaze, this sauce is great for pork, chicken, ribs, beef, and stir-fry style dishes. This is a well-known regional favorite that’s especially popular in New England and among those who grew up with its unique flavor profile.