沖繩紫薯大理石雪芳蛋糕
Purple Sweet Potato Marble Chiffon Cake

1. 低筋麵粉過篩，平均分成2份備用。

2. 砂糖分成30g、20g和10g備用。

3. 沖繩紫薯粉和5湯匙的水拌勻至成爲紫薯糊備用。

4. 分開雞蛋中的蛋白和蛋黃，然後分成淨蛋白、2隻蛋黃和1隻蛋黃的3碗備用。

5. 蛋白打發至起泡，然後將30g的砂糖分2-3次倒入拌勻，攪拌至變成稍微挺身的蛋白霜後，平均分成2份備用。

6. 在有2隻蛋黃的碗中加入20g的砂糖拌勻，再將25g的植物油分開數次倒入拌勻，再倒入1/8杯的水拌勻，成爲白色粉漿。

7. 在有1隻蛋黃的碗中加入10g的砂糖和③的紫薯糊拌勻，再將15g的植物油分開數次倒入拌勻，再倒入餘下的1/8杯水拌勻，成爲紫薯粉漿。

8. 在⑥的白色粉漿中加入④的1份中少量的蛋白霜拌勻，然後加入1份低筋麵粉拌勻，最後加入1份蛋白霜中餘下的蛋白霜拌勻，成爲原味麵糊。

9. 在⑦的紫薯粉漿中加入④的1份中少量的蛋白霜拌勻，然後加入1份低筋麵粉拌勻，最後加入1份蛋白霜中餘下的蛋白霜拌勻，成爲紫薯麵糊

10. 首先用匙羹將⑨的紫薯麵糊鋪在蛋糕模的底部，然後交叉倒入⑧的原味麵糊與⑨的紫薯麵糊到蛋糕模中，形成大理石紋後，除去麵糊中的空氣。

11. 將麵糊放入已預熱成170℃的焗爐中焗20-25分鐘。

12. 出爐後，利用玻璃樽倒放蛋糕模，蛋糕放涼後用刀脫模取出。

13. 將⑪的蛋糕切成幾份上碟，可按照個人喜好加上鮮忌廉等享用。

【雪芳蛋糕三文治做法】

將蛋糕切成6等分後夾上鮮忌廉和切成小塊的蒸紫薯。用忌廉芝士去代替鮮忌廉也很好吃哦！

1. Sift the flour and divide in half.

2. Divide the sugar into 30g, 20g, and 10g.

3. Mix the purple sweet potato powder and 5 tablespoon water to make purple sweet potato paste.

4. Separate the eggs into egg whites and yolks, and divide into 3 separate bowls; egg whites only, 2 egg yolks, and 1 egg yolk.

5. While beating the egg whites, add 30g of sugar in 2~3 parts and make a meringue with stiff peaks, and divide it in half.

6. 【White dough】Mix 20g sugar in the bowl with 2 egg yolks, gradually mix in 25g of sesame oil, add 1/8 cup of water and mix well.

7. 【Purple sweet potato dough】Mix 10g sugar and ③ in the bowl with 1 egg yolk, gradually mix in 15g sesame oil, then add 1/8 cup of water and mix.

8. In the bowl of 【white dough】from ⑥, mix in a small amount of the meringue from ⑤, add half of the flour and mix well, then mix in the remaining meringue.

9. Repeat the same process from ⑧ for the 【purple sweet potato dough】from ⑦.

10. Spread ⑨ on the bottom of the cake mold with a spoon, then pour in the dough from ⑧ and ⑨ alternately so that it forms a marble pattern, and release the air out of the dough.

11. Bake in the oven at 170℃ for 20-25 minutes.

12. Once the cake is baked and out of the oven, use something like a bottle to hold the cake mold upside down while it cools down, and then remove the cake from the mold with a knife.

13. After cutting ⑪, place on a plate and decorate with the garnish of your choice, such as whipped cream, etc.

【How to make a chiffon cake sandwich】

After cutting into 6 pieces, make a slit in the middle of each piece and add whipped cream or steamed purple sweet potatoes in the gap. Cream cheese can also be used instead of whipped cream.