Given the task definition and input, reply with output. In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1/2 cup butter, cubed, 1 tablespoon prepared pesto, 4 large egg yolks, 2 tablespoons water, 1 tablespoon lemon juice, 2 teaspoons white vinegar, 4 large eggs, 8 thin slices prosciutto or deli ham, 4 fresh basil leaves, 4 slices tomato, 4 slices Italian bread (1 inch thick), toasted
butter, pesto, egg yolks, water, lemon juice, white vinegar, eggs, deli ham, fresh basil, tomato, Italian bread