Beat butter, sweet potato, white sugar, brown sugar, and orange juice with an electric mixer in a large bowl until smooth. Add eggs whites one at a time, allowing each egg to blend into butter mixture before adding the next. Beat in vanilla extract. Dissolve baking soda in hot water in a small bowl. Add to sweet potato batter. Stir in flour, chocolate chips, and walnuts. Roll dough into walnut-sized balls and place 2 inches apart onto ungreased baking sheets.
Bake in preheated oven until edges are nicely browned, about 10 minutes.
Nutritional Facts
Per 24 servings
Calories: 249
Carbohydrate: 36g
Fat: 11g
Fiber: 2g
Protein: 4g
Sugar: 22g
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