Pesto Dip

1 cup mayonnaise
1 cup sour cream
1 pkg (10 oz) frozen chopped spinach, thawed and drained.
1/3 cup grated parmesan cheese
1/4 cup walnut pieces
1 tsp dried basil
1/4 tsp salt
1 clove garlic, crushed

In blender, blend all ingredients until almost smooth.
Cover, chill
Makes 2 cups