Purple Sweet Potato Coconut Oozing Cheese Quarter Bun (Guschlbauer Austrian Cheese Buns) 五层流心芝士包

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Ingredient

Method

Dough: 255g japanese bread flour 90g purple sweet potato, mashed 30g Kara coconut cream powder  30g milk powder 60g caster sugar 1/2 tsp salt 3g instant yeast ±140g water divided use  20g butter Lava cream cheese Fillings: 100g cream cheese 20g condensed milk 30g sugar 50g purple sweet potato, mashed 1tbsp butter 40g sour cream 100g milk, divided use 10g corn starch 1tsp vanilla essence 5ml lemon juice 15g Kara coconut cream powder Dust (mix well): 30g milk powder 5g Kara coconut cream powder 2tsp purple sweet potato powder

FOR STAND MIXER WITH DOUGH HOOK: 1.  Place all the ingredients and 130g water in a bowl.  Mix until a dough forms then pour remaining water bit by bit and continue knead for about 15-25 minutes until elastic.  2. Cover with plastic wrap, set aside about 2 hours for ferment. 3. Once dough has risen, place each on a floured surface and knead lightly. Rest for 15 minutes. 4. Flatten dough into a round disc. 5. Place in a greased 7" cake pan and let dough prove for second time (about 1 hrs).  6. Bake @ 180C for 30-40min. Remove from oven and cool completely. 7. Filling: Beat cream cheese, butter and sugar until smooth.Add the rest ingredient and mix until combined and no lump. Strain through a strainer to puree the custard to remove any big lumps. This is optional. Transfer to steel bowl. 8. Place the steel bowl into a medium pan/pot with barely simmering water, turn to medium low heat. (bain marie method, to create a gentle and uniform heat for cooking custard) . Keep stirring till until the exact consistency desired (slightly thicken),  about 2-4 minutes. 7. Assembly: Cut the whole round bun into 4-6. Slice horizontally into 2 for each quarter bun, slather the cream cheese filling into it. Spread some filling into two surface and dust with purple milk powder.  * 3 ways to eat: ~room temp ~chill for half hour, will be ice cream cake texture ~reheat using mircowave for few sec, will turns to lava effect.