1 1/2 tsp. dry yeast
1 cup warm milk (115F)
3 3/4 cups (500g) four
1/4 cup (50g) sugar
3 egg yolks
2 1/2 sticks of melted butter
1 tsp. lemon juice
1 dash of salt
2 1/2 to 3 sticks unsalted butter
3/4 cup (150g) sugar
2 packs of vanilla sugar
Dissolve yeast in milk, and mix 1/2 of the flour to it. Cover and let rest for 30 minutes in warm place. Add the rest
of the flour, sugar, egg yolks, melted butter, salt, and lemon juice. Knead well. Let rest for additional 20 minutes. Spread dough out on large greased (use butter) baking pan or sheet. Let dough raise again. Slice
(than smaller than better) unsalted butter sticks, and put the pieces on top of dough. Mix sugar with vanilla sugar and sprinkle over the dough. Put loaf pan filled with hot water in the bottom of the oven. This will
make the cake fluffy. Preheat oven to 400F. Put in the middle of the oven, and bake for about 25 minutes.
Note: Use only unsalted butter for the topping or the cake will be salty.