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Pumpkin & Sweet Potato Cupcakes
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5 from 3 votes

Best Pumpkin & Sweet Potato Cupcakes with Vanilla Marshmallow Meringue Frosting

These gorgeous, super moist Sweet Potato & Pumpkin Spice Cupcakes are the definition of cozy fall vibes. Topped with toasted vanilla marshmallow meringue frosting, they have a sweet potato casserole meets pumpkin pie feel - and I’m all about it.
Prep Time45 minutes
Cook Time16 minutes
Total Time1 hour 1 minute
Course: Dessert
Cuisine: American
Servings: 12 Cupcakes
Calories: 301kcal
Author: Emily Laurae

Ingredients

Vanilla Bean Meringue 

  • 3 Egg Whites
  • 1 Cup Sugar
  • 1 Scraped Vanilla Bean or 2 teaspoon Vanilla Paste

Sweet Potato & Pumpkin Cupcakes 

  • 1 ½ Cups All-Purpose Flour
  • 1 teaspoon Baking Powder
  • ½ teaspoon Baking Soda
  • ¼ teaspoon Sea Salt
  • 1 teaspoon Ground Cinnamon
  • 1 teaspoon Ground Cardamom
  • ¼ teaspoon Ground Allspice
  • 1 cup Brown Sugar packed
  • ¼ Cup Unsalted Butter room temperature
  • ¼ Cup Grapeseed or Canola Oil
  • 1 Large Egg room temperature
  • ½ Cup Pumpkin Puree
  • ½ Cup Sweet Potato Puree Baked or roasted sweet potato, blended until smooth
  • ¼ Cup Sour Cream

Instructions

Vanilla Bean Meringue 

  • Add your sugar and egg whites to the bowl of a stand mixer and place over a saucepan of boiling water. Make sure that your bowl is not touching the hot water! Your goal is to simply whisk the egg whites and sugar together over a gentle heat until the sugar has completely dissolved, then attach your bowl back to the standing mixer. If using a thermometer you should reach 165 degrees F. 
    3 Egg Whites, 1 Cup Sugar
  • Whisk mixture starting at a low speed and gradually increase until soft peaks form and the mixture has completely cooled. 
  • Add vanilla, and mix on low until combined.  
    1 Scraped Vanilla Bean

Pumpkin & Sweet Potato Cupcakes

  • Preheat the oven to 350°F. Line a 12-cup muffin pan with cupcake liners. Line a second pan with 2 liners – this recipe makes about 14 cupcakes. Set aside for the time being. 
  • Whisk together the flour, baking powder, baking soda, salt, cinnamon, cardamom and allspice in a medium bowl and set aside.
    1 ½ Cups All-Purpose Flour, 1 teaspoon Baking Powder, ½ teaspoon Baking Soda, ¼ teaspoon Sea Salt, 1 teaspoon Ground Cinnamon, 1 teaspoon Ground Cardamom, ¼ teaspoon Ground Allspice
  • Add the brown sugar, butter, and olive oil to the bowl of your stand mixer. Using the paddle attachment, mix until light and fluffy, about 3-5 minutes. Add the room temperature egg, pumpkin puree, sweet potato puree, and sour cream one at a time. Make sure to scrape the bowl in between additions to ensure everything is well mixed.
    1 cup Brown Sugar, ¼ Cup Unsalted Butter, ¼ Cup Grapeseed or Canola Oil, 1 Large Egg, ½ Cup Pumpkin Puree, ½ Cup Sweet Potato Puree, ¼ Cup Sour Cream
  • Add the dry ingredients in two parts, mixing until just combined. 
  • Using a spoon or a small cookie scoop, add batter into each cupcake liner until it is halfway full. Bake the cupcakes until golden and puffed, and a tester inserted into the center comes out clean which should be about 16 minutes. 
  • Allow cupcakes to cool completely before piping meringue on top of the cupcakes and then using a torch, lightly brown the meringue before enjoying! 

Notes

Frequently Asked Questions
  • What if I don’t have cardamom or allspice? Feel free to swap out the cinnamon, cardamom and allspice for an equivalent measure of pumpkin pie spice. 
  • Can I make these without dairy? Absolutely! Simply use your favorite plant-based butter and sour cream/greek yogurt substitute instead.
  • Can I make them gluten-free? Gluten-free baking is a tricky science and one that I’m not as familiar with. Reason leads me to believe that a cup-for-cup gluten-free all-purpose flour blend *should* work here, but I haven’t tried it myself. If you do try, please let me know how it turned out in the comments below!!

Nutrition

Calories: 301kcal | Carbohydrates: 51g | Protein: 3g | Fat: 10g | Saturated Fat: 3g | Trans Fat: 1g | Cholesterol: 26mg | Sodium: 162mg | Potassium: 150mg | Fiber: 1g | Sugar: 36g | Vitamin A: 4000IU | Vitamin C: 3mg | Calcium: 57mg | Iron: 1mg
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