Activate Yeast: In a cup of warm water, add a large spoonful of yeast, stir well, cover, and set aside until activated.
Mix Ingredients: In a wide plate, combine the yeast mixture, sugar, eggs, powdered milk, and optional Chantilly cream, stirring well.
Add Dry Ingredients: Add flour, baking powder, and salt to the mixture and knead.
Incorporate Butter: Gradually add softened butter while kneading until fully incorporated.
Knead Dough: Knead the dough for 10 minutes until soft and fragrant.
Ferment Dough: Place the dough in a bowl, cover, and let it ferment in a warm place for 1 hour.
Shape Dough: Divide the dough into 20-22 pieces, shape each piece into rolls, and arrange on a tray.
Second Fermentation: Cover the shaped rolls with a cloth and let them rest for 30 minutes.
Prepare Egg Wash: Decorate the rolls with an egg yolk mixture.
Bake: Preheat oven to 200°C and bake for 12-15 minutes until golden.
Cool and Serve: Cover with a cloth after baking to keep soft. Optionally, brush with syrup before serving.
Make Syrup: Boil water, sugar, and a slice of lemon for 7 minutes to make syrup.