Cherry pudding

Go through the cherries, rinse, peel and dry on a napkin. Separate the proteins from the yolks and beat into thick foam. Whisk the butter, continuing to whisk, gradually add the icing sugar. Beat for 10-15 minutes, then one at a time add the yolks, prepared cherries, gently introduce the whipped whites and breadcrumbs. Grease the mold with oil and sprinkle with flour. Place the mixture and cook in a water bath 1 an hour. For the sauce, cook the cherries with the sugar and a little water until softened. Tip the finished pudding onto a dish and pour over the chilled sauce.