Smoked Salmon without dough chicken

1/4 cup butter, softened 2 tablespoons fresh dill 1 teaspoon lemon zest 1 pinch cayenne pepper salt and ground black pepper to taste 1 teaspoon white vinegar[...]

12 extra-large eggs 1/3 cup good mayonnaise 2 teaspoons whole grain mustard 1 tablespoon minced fresh dill , plus dill sprigs (to garnish) 1 teaspoon kosher[...]

16 small red potatoes 4 tablespoons vegetable oil 8 ounces smoked salmon 1/2 cup sour cream 3 hard-boiled eggs , cut into small wedges dill , fresh sprigs 1[...]