Maize pie

• 10 eggs, separated
• 100 g (3½ oz) butter
• 150</

Mix the egg yolks, butter and sugar until the mixture turns white. Beat the egg whites. Combine all the ingredients, adding the flour and cinnamon gradually. Mix thoroughly, then place in a well-greased baking pan, spread out evenly and bake in a preheated oven (170°C, 325°F, gas mark 3