1/2 c. mayonnaise
1/4 c. sour cream or plain yogurt
2 tbsp. lemon juice
1 tsp. fresh dill or 1/4 tsp. dried dill seed
Salt and pepper to taste

Mix all ingredients.

SALAD:

1 1/2 c. cooked shrimp
1 c. cut-up cooked crab meat
1/4 c. sliced green onions
1 med. cucumber, chopped
1 can sliced water chestnuts, drained
Dill dressing - recipe above
2 avocados, peeled and sliced
Salad greens

Prepare dill dressing; toss with remaining ingredients except avocados and salad greens. Cover and refrigerate at least 1 hour. Arrange avocados on salad greens. Top with seafood mixture. 4 servings.