Basic Doughnut Dough

INGREDIENTS

A.100g bread flour
    70g   boiling water

B.250g bread flour
    150g plain flour
    10g   milk powder
    1 tsp baking powder
    6g     salt
    50g   sugar
    8g     instant yeast

C.1       egg
    160g cold water
   
D.50g  butter

METHOD

1. Add the boiling water from A into flour, mix until well-blended to form dough. Cover and set aside to cool. Keep it into refrigerator for at least 12 hours.
2. Mix B until well-blended. Add C, knead to form rough dough. Add in A and knead until well-blended.
3. Add in D, knead to form elastic dough.
4. Cover and let it proof for 30 minutes of double its size.
5. Remove the dough and mould it round. Let it rest for 10 minutes.
6. Roll basic doughnut dough out into 10mm thick. Cut it with round doughnut cutter and let it proof for 35 minutes.
7. Deep-fry the dough in hot oil until golden brown.