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.

2 1/2 pounds zucchini sliced 1/4 inch thick, 1/3 cup olive oil, 3 tablespoons fresh lemon juice, 2 tablespoons red pepper flakes, 2 ounces Parmesan grated, about 1/2 cup, black pepper

zucchini, olive oil, lemon juice, red pepper, Parmesan, black pepper