Three new firms have launched this calendar year at Millstone Kitchen, a shared-use facility in Blacksburg. The owner-operators of Grandpa Foodstuff, Just Graze & Co and Thyme & Table are all creating their desires a actuality this spring, each with a exclusive perspective on food stuff and hospitality. Rose Mary and William Bellamy, of Grandpa Foods, aim to share their homespun apple butter-centered barbeque sauces with shoppers. “My wife didn’t like the flavor of tomato-centered barbeque sauces,” William stated, so he arrived up with a tasty substitute. William, the namesake of Grandpa Foods, whose deal with appears on the label, at last honed in on a sauce recipe that Rose…