6 tbsp (100 ml) water
5 oz buttermilk (150 ml) (at room temperature)
1 egg, beaten (at room temperature)
2 oz (57 g) butter, melted
16 oz (454 g) all-purpose or bread flour
2 oz (57 g) sugar
1 tsp salt
1 1/2 tsp (3.5 g) quick-rise (one and a half teaspoons)
oil for frying (I use sunflower or grape seed oil or a combination)
sugar for coating the doughnuts
jam, Nutella and or real whipped cream for filling, if desired