Eggs are broken down with the sugar until white. Add breadcrumbs, the walnuts and soda, whipped with lemon juice. All mix well and pour into a baking dish, covered with paper. Bake in a moderate oven. eggs are broken cream with sugar to thicken. Separately, mix the butter and add it to the beaten eggs. Mix. 200 ml water and sugar syrup to boil 5 minutes. The base is cut horizontally into two or three layers. Slightly syrupy and stick with cream. Top and sides of cake smeared with cream also. Decorate optional.