Given the task definition and input, reply with output. 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.

Cook pasta in a saucepan of boiling salted water according to package directions., Heat oil in a large skillet on high heat. Saute squash in batches for 2-3 mins, until lightly browned. Remove and set aside. Add pine nuts, garlic and chili pepper to pan and cook 1-2 mins, until nuts are just golden., Drain pasta. Add to pan with squash and arugula. Toss to combine and season to taste. Serve sprinkled with feta.
olive oil, butternut squash, pine nuts, garlic, chili pepper, arugula, feta cheese