Although this mango chicken marinade is designed primarily for chicken, it is also nice with pork tenderloin or seafood. You can reduce the amount of mustard if you don't want the associated piquancy or leave it in the recipe if you do. The sweetness of the mango and honey contrasts well with the herby mint and the creamy yogurt, offering a well-rounded mango chicken marinade which has a good balance of flavors. Tasty side dishes for this chicken dish, which would suit the flavor of this mango chicken marinade, include sautéed baby spinach, plain boiled white rice, green beans or grilled zucchini. Since the mango chicken marinade has so much flavor you might prefer to keep your side dishes simple, so as not to detract too much from the tasty marinade you are using.