Sweet Potato Cupcakes with Toasted Marshmallow Frosting
Sweet Potato Cupcakes are soft, moist, and naturally sweet with warm spices.They are topped with light, fluffy marshmallow frosting that is toasted for flavor.The dessert is inspired by classic sweet potato pie and fall baking traditions.It is perfect for holidays, gatherings, and seasonal celebrations.Each bite combines earthy sweetness with airy, caramelized frosting.These cupcakes are comforting, elegant, and irresistibly delicious.
Ingredients
For the Cupcakes
- 1 cup mashed cooked sweet potatoes
- 1½ cups all-purpose flour
- 1 cup brown sugar
- ½ cup vegetable oil
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- 1 teaspoon cinnamon
- ½ teaspoon nutmeg
- ¼ teaspoon salt
For Toasted Marshmallow Frosting
- 2 large egg whites
- ½ cup granulated sugar
- ¼ teaspoon cream of tartar
- 1 teaspoon vanilla extract
- Mini marshmallows (optional for topping)
Instructions
- Preheat oven to 350°F (175°C). Line a cupcake tray with liners.
- In a bowl, mix mashed sweet potatoes, sugar, oil, eggs, and vanilla until smooth.
- In another bowl, whisk flour, baking powder, baking soda, cinnamon, nutmeg, and salt.
- Gradually combine dry ingredients with wet mixture until smooth and creamy.
- Fill cupcake liners two-thirds full and bake for 20–22 minutes. Cool completely.
- Whisk egg whites, sugar, and cream of tartar over a double boiler until sugar dissolves. Then beat until stiff, glossy peaks form. Add vanilla.
- Pipe or spread marshmallow frosting on cooled cupcakes.
- Use a kitchen torch or oven broiler to lightly toast the marshmallow topping until golden brown.
Notes
- Fresh mashed sweet potatoes give best flavor and moisture.
- Do not overmix batter to keep cupcakes soft.
- Brown sugar enhances caramel-like depth.
- Frosting should be used immediately after whipping.
- A kitchen torch gives better control for toasting.
- Add ginger for extra warmth and spice.
- Cupcakes taste even better the next day.
- Store frosted cupcakes in a cool place.