3 tbsp. butter
1 sm. onion
2 c. shredded cooked cabbage
2 c. leftover mashed potatoes

Saute onions in butter until tender. Combine cabbage and mashed potatoes. Add to skillet, and press with fork to form large cake, cook over moderate heat until well browned. Loosen cake with spatula, slide onto plate and flip back into skillet so uncooked side is down. Cook until browned. Slice into wedges and serve.