Chestnut Sweet Potato Muffins
Quick answer
Chestnut sweet potato muffins draw on two staple Korean autumn ingredients, combining them in a baked format that highlights the natural sweetness of both.
What makes this special
- Steamed sweet potato locks moisture into these muffins for a dense, soft texture.
- 140g steamed sweet potato locks in moisture through baking, preventing dryness
- 60g diced chestnut delivers crumbly nuttiness against soft muffin crumb
Key ingredients
Core cooking flow
- 1 Preheat the oven to 180°C and line a muffin tin with paper cups.
- 2 Cream 80g unsalted butter with 85g brown sugar until pale and fluffy.
- 3 Add mashed sweet potato and 70ml milk to the butter mixture and stir until smooth.
Chestnut sweet potato muffins draw on two staple Korean autumn ingredients, combining them in a baked format that highlights the natural sweetness of both. Steamed and mashed sweet potato is worked directly into the batter, contributing moisture and a gentle, earthy sweetness that keeps the crumb soft for days after baking. The sweet potato also acts as a built-in humectant, preventing the common muffin problem of drying out once cooled. Diced roasted chestnuts are folded throughout the batter to provide a starchy, crumbly counterpoint to the tender surrounding crumb. Their slightly grainy texture creates contrast with every bite. A small amount of cinnamon sharpens the perception of the sweet potato's warmth without masking it. The streusel topping baked onto each muffin provides a layer of buttery crunch that gives way to the soft interior when pressed. When made with freshly harvested autumn ingredients, the natural sugars in both the sweet potato and chestnuts are concentrated enough that the amount of added sweetener in the batter can be reduced. The muffins work well as a snack or a breakfast substitute.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Heat
Preheat the oven to 180°C and line a muffin tin with paper cups.
Mash 140g boiled sweet potato until smooth and coarsely chop 60g boiled chestnuts.
- 2Season
Cream 80g unsalted butter with 85g brown sugar until pale and fluffy.
Add 2 eggs one at a time, mixing well after each.
- 3Prep
Add mashed sweet potato and 70ml milk to the butter mixture and stir until smooth.
Ensure the sweet potato is fully mashed with no lumps before adding.
- 4Prep
Sift in 180g cake flour, 7g baking powder, and 2g cinnamon and fold with a spatula no more than 20 strokes.
Over-mixing develops gluten and makes the muffins tough.
- 5Prep
Fold in 60g chopped chestnuts and fill each cup to 80% capacity.
Overfilling may cause the batter to overflow during baking.
- 6Heat
Bake at 180°C for 22-25 minutes until a skewer inserted in the center comes out clean.
Leave in the mold for 5 minutes immediately after removing from the oven, then transfer to a wire rack to cool completely.
After the steps
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