1/2 med. avocado
1/2 c. mayonnaise
1 clove garlic
1/8 c. finely chopped scallions
1 tbsp. parsley
1/2 tbsp. lemon juice
1/2 tsp. vinegar
1/2 tsp. salt
1/4 c. sour cream

Peel and pit avocado. Force through a sieve or mix in a blender for 1/2 minute. Put pulp in a bowl with remaining ingredients, except the sour cream. Mix well. Whip the sour cream and fold it in with the other ingredients.