I often make coleslaw with a tahini dressing. Use this as a jumping-off point:
1/4 cup tahini
1/4 cup apple cider vinegar
2 tablespoons olive oil
2 tablespoons fresh chopped parsley
1 tablespoon sugar or honey
2 garlic cloves, minced
juice and zest of one lemon
salt and pepper to taste
It's all about adjusting it to suit your tastes. I prefer mine to be a little bit sour, so I add more vinegar. Just keep adjusting things until you get the right consistency. It's sooo good! You could also substitute soy sauce for the salt, which gives it a really great flavor.
I was watching a show called Diners, Drive-ins and Drives and the host visited a restaurant where the chef made a red cabbage slaw with tahini. It starts around the 5:10 mark. It looks pretty good but there are no measurements.
salt and pepper