In a food processor, combine the dill, parsley, thyme, and chives with the mayonnaise; process until the herbs are chopped. With the motor running, slowly pour in the buttermilk and then add the vinegar, salt, pepper, and hot sauce. Taste and adjust seasoning. Pour into a bottle or jar and refrigerate for up to 2 weeks.
nutrition information (per serving):
about 3 Tbs.;
Photo: Steve Hunter