Bain-marie

Old fashioned sour cream cake donuts

INGREDIENTSFor the donut1 ¼ cup (240 grams) white sugar2.5 tbsp. tablespoon (35 grams) butter5 egg yolks (90 grams)1 ½ cups (375 ml) sour cream4 ½ cups (600 grams) all-purpose flourTo...