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Sweet Potato Bread (고구마빵)

Jul 31
2 min read

Prep time: 35 minutes

Cook time: 20 minutes

Total time: 55 minutes

Servings: 6 pastry breads


Country of Origin

Korea


Pastry shaped like a realistic purple sweet potato, featuring a chewy mochi-like tapioca crust dusted in purple sweet potato powder, filled with naturally sweet mashed sweet potato filling.


Presentation & How It's Eaten

Served warm on paper liners. Eaten by hand, pulling apart to show the bright yellow filling inside the purple crust.


Ingredients

Sweet Potato Filling:

  • 2 medium Korean yellow sweet potatoes (goguma), roasted and peeled

  • 2 tbsp condensed milk

  • 1 tbsp butter

  • 1 tbsp honey


Chewy Tapioca Dough:

  • 1.5 cups tapioca starch

  • 3 tbsp glutinous rice flour

  • 1 egg

  • 3 tbsp milk

  • 2 tbsp melted butter

  • 1 tbsp honey

  • 3 tbsp purple sweet potato powder (for dusting)


Step-by-Step Directions

  1. Make Filling: Mash warm roasted sweet potatoes with condensed milk, butter, and honey until creamy. Divide into 6 oval logs (~50g each) shaped like small potatoes.

  2. Make Dough: Whisk egg, milk, melted butter, and honey together. Stir in tapioca starch and glutinous rice flour, kneading into a smooth, stretchy dough.

  3. Assemble: Divide dough into 6 portions. Flatten each into an oval disc, place a sweet potato filling log in center, and wrap dough over filling, sealing completely.

  4. Dust Outer Layer: Roll shaped breads in purple sweet potato powder until fully coated. Use a toothpick to poke shallow dents and wrinkles to mimic real sweet potato skins.

  5. Bake: Place on parchment-lined tray and bake at 340°F (170°C) for 18–20 minutes until set and chewy.


Cooking Tips

  • Use Korean Yellow Sweet Potatoes: Korean yellow sweet potatoes (Goguma) are naturally sweeter and less watery than western yams, creating a thick filling.


Nutrition Facts

(Estimated per pastry)

  • Calories: ~260 kcal

  • Total Fat: 6g

  • Saturated Fat: 3.2g

  • Cholesterol: 40mg

  • Sodium: ~85mg

  • Total Carbohydrates: 48g

  • Dietary Fiber: 3g

  • Sugars: 16g

  • Protein: 3g

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