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Recipes

Sweet Buns Filled with Purple Yam

This article is written by a student writer from the Spoon University at UC Berkeley chapter.

Try your hand at this simple sweet bun recipe. The dough is super versatile, so you can be creative with your fillings; mashed purple yams or mung bean paste make sweeter buns, while minced mushrooms or BBQ pork create savory variations. Additionally, the recipe can be tweeked to be made vegan. The buns are baked until golden-brown, come out soft and doughy and are best eaten while still warm. Yum!

sweet bun

Photo by Catherine Vo

Advanced Course

Prep Time: 30 minutes, plus 2 to 3 hours rise time
Cook Time: 30 minutes
Total Time: ~3 to 4 hours

Servings: 12

Ingredients:

Dough:
½ cup white sugar
1 cup warm milk (~110°F)
1 tablespoon active dry yeast
4 cups flour
2 eggs, beaten 
6 tablespoons vegetable oil
2 teaspoons salt
2 teaspoons water

Note: This recipe can be made vegan by using an egg substitute such as Ener-G Egg Replacer or a flax seed egg. Replace dairy milk with soy or almond milk.

Filling:
3 purple yams
Pinch of salt

Savory filling variation:
Minced mushrooms: Sauté mushrooms and garlic in a bit of oil and soy sauce until soft. Place everything in a food processor and pulse until mushrooms are in tiny pieces.

Directions:

1. Whisk sugar and milk together in a large mixing bowl until sugar is dissolved.

Photo by Catherine Vo” src=”https://spoonuniversity.com/wp-content/uploads/sites/23/2014/12/IMG_2714-1024×738.jpg” alt=”sweet bun” width=”1024″ height=”738″ />

Photo by Catherine Vo

2. Stir in yeast and let sit until frothy, about 10 minutes.

Photo by Catherine Vo” src=”https://spoonuniversity.com/wp-content/uploads/sites/23/2014/12/IMG_2725-1024×673.jpg” alt=”sweet bun” width=”1024″ height=”673″ />

Photo by Catherine Vo

2. Stir in flour, all beaten eggs (except 1 tablespoon set aside), vegetable oil and salt. Stir until thoroughly combined. If making a vegan version, follow instructions to make 2 replacement eggs and add all to dough mixture.

sweet bun

Photo by Catherine Vo

 

sweet bun

Vegan version with egg replacer | Photo by Catherine Vo

 

3. Flour work surface and knead dough until smooth and elastic, about 10 minutes. Dough should be slightly sticky.

sweet bun

Photo by Catherine Vo

4. Oil a large bowl, place dough in bowl and cover with a damp cloth or plastic wrap. Place bowl in a warm spot, such as in an oven that isn’t on, and let rise for 2 to 3 hours until it doubles in size.

sweet bun

Photo by Catherine Vo

5. In the meantime, prepare your filling. For a purple yam filling, wash purple yams to remove dirt.

Photo by Catherine Vo

6. Fill a medium saucepan with 2 inches of water. Boil. Place yams (carefully!) into pan.

sweet bun

Photo by Catherine Vo

7. Cover and let cook until fork tender.

sweet bun

Photo by Catherine Vo

8. Allow yams to cool and then mash with a fork. Add a pinch of salt.

sweet bun

Photo by Catherine Vo

9. Line a baking sheet with parchment paper. Preheat oven to 350°F.
10. Remove dough from bowl and punch down a few times. Knead for 1 minute. Roll dough into a log and divide into 12 pieces.
11. Roll each piece into a ball and then flatten into a disc shape.

sweet bun

Photo by Catherine Vo

12. Place about 2 tablespoons of yam filling onto center of dough disc.

sweet bun

Photo by Catherine Vo

13. Bring edges of  dough up over filling. Pinch and twist dough to seal. Place each bun, seam-side down, on baking sheet.

sweet bun

Photo by Catherine Vo

sweet bun

Photo by Catherine Vo

sweet bun

Photo Courtesy of Julia Jackson

14. Beat remaining 1 tablespoon of egg with 2 teaspoons water to make an egg wash. Brush top of each bun with egg wash, using a pastry brush (or a piece of paper towel.) TIP: If you are making a vegan version, forego egg wash.

sweet bun

Photo Courtesy of Julia Jackson

15. Bake for 10 minutes and then turn baking sheet around 180 degrees. Bake for another 10 to 20 minutes until tops are golden and shiny. Serve warm. Enjoy!

sweet bun

Vegan buns and original buns | Photo by Catherine Vo

sweet bun

Photo by Catherine Vo

Recipe adapted from GAUSSSHAWN’s Chinese Sweet Bun Dough.

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Catherine Vo

UC Berkeley