Sometimes the simple, basic foods you have laying around can be brought together to create, even by accident, something really good. Tomato & Gouda, with Spicy Horseradish Mustard on Toasted Rye 1/4 cup cider vinegar 1/4 cup dry mustard, ground 3 tablespoons red wine vinegar 2 tablespoons mustard seed 1 tablespoon […]