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.

Melt butter in a large skillet over medium-low heat; cook and stir cabbage and onion until very tender, about 30 minutes., Fill a large pot with lightly salted water and bring to a rolling boil. Stir in bow tie pasta and return to a boil. Cook pasta until tender but still slightly firm, about 12 minutes. Drain well and set aside., Stir water and cooked ham into cabbage mixture; heat through. Thoroughly mix in sugar., Gently stir bow tie pasta into the ham and cabbage and heat through.
butter, cabbage, onion, pasta, water, ham, white sugar