From cooks.com 

4 cups shredded Napa cabbage            ½ red onion, thinly sliced
½ cup olive oil                                      2 TBSP Tarragon Vinegar
1 tsp sugar                                            ½ tsp salt
Paprika 

Put the cabbage and onion into a serving bowl and toss to mix well. In a small bowl, mix together the olive oil, vinegar, sugar and salt. Pour over the cabbage. Mix well. Sprinkle the top with paprika.

Serves four