Mustard Man Simply Peppered Mustard a smooth mustard base with a bold kick of black pepper, for those who enjoy a bit of spice. This flavorful mustard pairs excellently with grilled steak, grilled chicken, burgers, brats, turkey breast, egg salad, tuna, hard-boiled eggs, and gratin potatoes. It also makes a cooking additive, enhancing any dish with its extra bit of black pepper flavor. For results, shake well before using and refrigerate after opening to preserve its freshness.