Swabian "Nun'S Puff" Doughnuts - cooking recipe

Ingredients

250 ml milk
500 g plain flour
30 g fresh yeast
60 g caster sugar
1 pinch salt
1/2 None lemon, zested
60 g butter or margarine, cut into small pieces
4 None eggs
100 g sultanas
1.25 litres vegetable oil
1-2 tbsp icing sugar

Preparation

Heat 1/3 cup milk until lukewarm. Sift flour into a large bowl and make a well in the center. Add yeast, 1 tbsp sugar and warmed milk. Cover with some of the flour from the edges and let sit in a warm place for 15-20 mins. Heat remaining milk then add to dough along with remaining sugar, a pinch of salt, lemon zest, butter, eggs and raisins. Knead with the dough hook of a mixer for 4-5 mins, cover and let proof in a warm place for 30-40 mins.
Heat oil in a large pot. Working in batches, scoop 1 tsp batter at a time and carefully drop into hot oil. Cook until golden brown then remove with a slotted spoon and drain on paper towels. Serve dusted with powdered sugar.