Mayonnaise Finest condiments.Never mind Grace, this mayonnaise is amazing! We've taken time, and great care to create a mayonnaise that we can be proud of. It's made in small batches in our nut free factory. We use free range eggs, natural oil and a little Dijon mustard. With no artificial colours, flavours or preservatives, it's all you need add to a sandwich, a salad or a jacket potato.