Pumpkin and Purple sweet potato donuts

Original source :http://gpf5666.blogspot.sg/2010/12/blog-post_06.html?m=1

Ingredients:

140g of bread flour
10g milk powder
1/2 tsp yeast
40g sweet potatoes  puree
20g castor sugar
15g butter
30g egg
40g water.

Methods :

 Mix all ingredients except butter.
Then add in butter to knead till smooth.
Proof for 30 mins .
Shape into donuts or ball shapes .
 Final proof for 10 mins.
Fried till golden brown.
Coat with caster sugar while still warm.
Enjoy!!