When a recipe calls for mustard, there simply is no substitute It can bring a bit of a kick to the blandest of meals. It is not just for sandwiches, you can add a dash of mustard to a macaroni  and cheese pie, deviled eggs, potato salad, and a lot of other versatile uses. So do not underestimate the power of a good mustard to perk up uninspiring meals. In our selection, we have mild, tangy, and spicy from Frenchs, Grey Poupon, Heinz, and many more. In a jar, plastic squeeze bottle or individual packets, mustard can be a lifesaver in the kitchen.