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 lb ground pork and veal mix, 1/2 cup fresh breadcrumbs, 1/4 cup store-bought pesto, plus additional to serve, 1 None egg, 1 None green onion, finely chopped, 2 tbsp vegetable oil, 4 None Kaiser rolls, 1/3 cup mayonnaise, 2 oz baby arugula, 2 None tomatoes, sliced, 7 oz fresh mozzarella cheese, sliced
ground pork, fresh breadcrumbs, store-bought pesto, egg, green onion, vegetable oil, Kaiser rolls, mayonnaise, baby arugula, tomatoes, mozzarella cheese