Sweet Potato Apple Salad Recipe

Ingredients

• 2 1/4 lb sweet potatoes (about 4 medium), peeled, cut into 1/2-inch cubes
• 1/4 cup chopped walnuts
• 2 lb Granny Smith apples (about 4 medium), cut into 1/2-inch cubes
• 2 tablespoons sugar
• 2 tablespoons fresh lime juice
• 3 tablespoons raisins
• 1/4 teaspoon salt
• 1/2 cup plain fat-free yogurt
• 3 tablespoons reduced-fat mayonnaise