3/8 cup soft cheese (aka yogurt cheese, boursin cheese, kefir cheese, goat cheese)
1/4 cup creme fraiche or sour cream
1/4 cup olive oil
1 tablespoon apple cider vinegar
1/2 teaspoon salt
1 tablespoon tahini
1/2 teaspoon prepared mustard

Wisk together all ingredients.  Store in refrigerator.  Makes 1 cup.