These are items common in any cook's kitchen! Cream of tartar is used in baking, in eggs, and for a variety of other goods, along with household cleaning. Vinegar is a basic ingredient of salad dressing and is present in a number of store bought products. However, when bought in stores, both are by-products of wine and the fermentation process. How does the staunch believer in alcoholic drinks as sin get around the use of products marketed from fermentation processes?