In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Heat the olive oil in a saucepan over medium-low heat, and cook the zucchini and onion until onion is very tender. Mix in the Italian salad dressing and parsley, and continue cooking until heated through. Serve warm.
olive oil, zucchini, onion, Italian salad dressing, parsley