Preheat the oven to 400°F.
Butter the pans and sprinkle with sugar.
Mix sugar and the butter into the flour and form a roll. Cut the roll into small pieces.
Heat the milk in a saucepan. Chop the chocolate and add along with the cocoa powder into the hot milk. Stir while heating. Once the chocolate is melted, bring to a boil and stir in the flour-butter pieces, until they make a homogeneous mass. Remove from heat and immediately and quickly stir in one egg white.
Pour the mass in a bowl and allow to cool until it is only lukewarm. Gradually stir in the egg yolks. Fold the remaining egg whites into the chocolate mixture.
Fill the pans with the mixture and add 3-4 raspberries each on top.
Place the pans in a pre-heated bowl of water (about 180°F). next place in the preheated oven and bake about 25 minutes, without opening the oven door. Serve hot from the oven.