Mix sugar alcohol and sour cream and boil for 5 minutes. Remove from heat and add vanilla and nuts. Stir until mixture gets "sugary". Pour out onto waxed paper and separate nut meats with forks. Let stand until cool and dry. Per Serving (excluding sugar alcohols): 189 Calories; 18g Fat (78.2% calories from fat); 7g Protein; 4g Carbohydrate; 1g Dietary Fiber; 3mg Cholesterol; 4mg Sodium. Store in airtight container.