Mix smooth and coarseflour together.

Crumble the yeast in a second bowl and mix with lukewarm milk.

Mix in half the flour, dust the top with flour, and cover the starter doughwith a towel (the towel should not touch the dough).

Let rise in a warm spotfor about 30 minutes.

Beat in the salt, eggs, sugar, remaining flour, liquidbutter, and oil with a cooking spoon until the dough separates from the side ofthe bowl.

Cover and let rise another 20 minutes in a warm spot.

Continueaccording to the recipe, but always bake in a closed oven from 430 °F down to350 °F (220 °C to 180 °C).