01 -
Combine yeast with warm milk/water and let sit 10 minutes until foamy.
02 -
Mix flour, sugar, and salt in stand mixer. Add yeast mixture, eggs, butter, and optional flavorings. Knead until smooth.
03 -
Refrigerate dough overnight or let rise at room temperature until doubled.
04 -
Divide dough into equal portions, shape into buns. Let rise again until doubled.
05 -
Fry at 350°F for 2 minutes per side until golden brown. Drain on paper towels.
06 -
Heat milk, whisk with egg yolks, sugar, and cornstarch. Cook until thickened. Cool and pipe into donuts.
07 -
Caramelize sugar and dip donut tops. Let harden before serving.