Waldorf Salad - Click 'N Cook

Ingredients

• 2 stalks celery, washed and chopped (about 1 cup)
• 2 medium apples, cored and chopped
• 1/4 cup walnuts, chopped (optional)
• 1/2 cup low fat vanilla yogurt
• 1 teaspoon lemon juice
• 1 teaspoon sugar