Chestnut and Spinach Dip

Ingredients

• 1 1/2 cups shelled, blanched chestnuts
• 10 oz. pkg. frozen chopped spinach, thawed
• 1/4 cup minced green onion
• 1 pkg. Knorr's (or other brand) vegetable soup mix
• 2 cups light sour cream
• 1 cup fat-free mayonnaise