Potato Spam Bun (Yudane Method)

When I saw this Potato Spam Bun, I knew right away my family will enjoy them.  It has all their favourite!  I also think this will make a good "sandwich" to take to a picnic.

Now I wonder why Spam is so expensive in Singapore.  In fact, everything is expensive in Singapore!  
As for today's recipe, instead of straight dough method, I wanted to try Yudane method.  In the past, I always mistaken yudane with tangzhong.  Source
After reading, I got a better understanding and for the first time, I am trying to convert a recipe myself.

Learning experience:
I should have tasted the egg mayo first as I think it needs a little salt to taste.  Initially I just seal both ends and it looks like a ruby ball. 
For the next 5, I fold up the two short ends and then seal the two long ends.  So I can get a rectangle which I find it is nicer.
Overall, the bun is delicious!   The bun is soft and the filling is yummy.
Source and thanks to LC for translating 
What you need:Yield 10 pcs
BunYudane60g bread flour50g boiling water
240g bread flour50g cake flour1 egg (55g to the shell)140g milk5g salt50g sugar5 g instant yeast 40g butter
Filling3 boiled eggs500g steamed potatoes 50g mayonnaise1 can SpamA dash of pepperSalt to taste
Garnish5 slices of cheddar cheese, cut into 2Parmesan cheese powder, parsley powder appropriate amount
Method:
Bun
Pour the boiling into the bread flour and mix until well combined.  Cling wrap and let it cool completely.
Combine all ingredients with yudane dough and knead until windowpane stage. 
Shape into a ball and let it proof until double.
To prepare fillings, mash potatoes and add in mayonnaise and pepper.  Mix evenly.
Remove yolks from the boiled egg and mashed fine. 
Roughly mashed the eggs white and combine the eggs into the potato mixture together.                                                                                                                                                                              Cut the spam into 10 pieces.
Pan-fried spam to remove excess oil.  Drain.
Divide the mashed potato into 10 portions.  Shape them into the same size as the spam.
Degas and shape into a ball again.  Bench rest for 15 mins.
While resting, cut the cheese in halves.
Roll out the dough flat.  
Place the portioned potato mash on top of the dough.
Place the spam on top of the mash.
Fold in the two short sides and then the two long sides. Seal well.
Spray a little water onto the dough and dredge them over the parmesan powder.
Cover and let it proof until 30 – 40% 
Preheat the oven to 190℃ 
Using a scissor, cut the top and place half a slice of sliced ​​cheese on top and sprinkle with parsley powder.
Bake for 15 mins or until golden.
Strongly recommend you try it.
Enjoy!
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