Portabella Pasta and Dipping Sauce is a thick, rich sauce of Portabella mushrooms blended with plum tomatoes and lots of fresh basil, roasted garlic, balsamic vinegar, extra virgin olive oil, simmered to perfection. Thick and rich taste. Choose either one 16 oz. jar or three 16 oz. jars. Shrooms Kitchen is the oldest Mushroom Farm in the Midwest! We grow our own mushrooms and hand harvest them in rural Wisconsin and prepare our one-of-a-kind family recipes using a special process in our licensed farm kitchen. Featured on Food Network Food Finds.