1/2 clove garlic, crushed
1/2 c. mayonnaise
1/4 c. sour cream
1 tbsp. chopped green onion
2 tbsp. snipped parsley
1 tbsp. tarragon vinegar
1 tbsp. lemon juice
1/4 tsp. salt
Freshly ground pepper
1 or 2 drops green food coloring (optional)

Combine all ingredients in a bowl; mix well. Chill until using.