2 cucumbers, peeled and grated
1 onion, grated
1 tbsp. Dijon mustard
1 c. sour cream
Pinch of salt
1/2 tsp. sugar
1 qt. buttermilk

Mix thoroughly cucumbers, onion, mustard, sour cream, salt, and sugar. Stir in the buttermilk. Chill for several hours before serving. Serves 4-6.