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 according to package directions. Meanwhile, in a large skillet, saute red pepper and onion in 1 tablespoon oil for 3-4 minutes or until tender., Drain pasta and place in a serving bowl. Add the red pepper mixture, spinach, bacon, feta cheese and tomatoes., In a small bowl, whisk the vinegar, pepper, salt and remaining oil. Drizzle over pasta mixture; toss to coat.
penne pasta, sweet red pepper, onion, olive oil, baby spinach, bacon, feta cheese, tomatoes, cider vinegar, pepper, salt