Peel and rinse the potatoes. Cook in a saucepan with salted water for 25 minutes. Press through a potato ricer. Put them into a saucepan. Place on the kitchen stove. Stirring continuously at low temperature, add milk, 25 g. Add butter and egg yolks. Season with salt, nutmeg and sugar. Meanwhile, whisk until the puree is white and creamy.
Grease an ovenproof dish with light butter. Fill some of the puree into the piping bag. Pour the rest into the mold and smooth it out. Use the piping bag to pipe a rim. Sprinkle with cheese. Evenly spread the remaining butter in flakes on top. Place in heated oven on middle rack.
Baking time: 15 min.
Electric stove: 200 degrees
gas stove: level 4
Cut into very small pieces. Remove from the heat. Serve mashed potatoes sprinkled with chives on the spot in the dish.
Menu 5/213
Our tip: Fresh chives are much more aromatic than dried ones!