Naturally fermented, it is gluten free, and contains no artificial flavours, colours or preservatives. This white vinegar is a delicious accompaniment for fish and chips Cornwells White Vinegar is a pantry staple for every kitchen. Very versatile, you can use this vinegar for a range of things, from cooking to making marinades and cleaning. It is perfect for poaching eggs, vinaigrettes and salad dressings.