1/2 c. mock sour cream
1/8 tsp. dill (or 1/4 tsp. fresh dill)
1/4 tsp. Worcestershire sauce
1/8 tsp. salt
1 1/2 tbsp. chopped cucumber
1 tsp. chopped onion
1/4 tsp. capers, drained (opt.)
1 1/2 tsp. water

Place all ingredients into a small container and blend thoroughly. 9 calories per tablespoon.