Baking dish with a diameter of 24 cm is coated with 1 tbsp melted butter and sprinkle with brown sugar. Pears are cut in half, peel and cleared of seeds. Arranged in the shape of the convex side down. Between halves pears distributed blueberries. Sift together the flour, baking powder and salt. Both egg whites are broken down into snow with salt and thereto was added 1/4 cup of granulated sugar. Beat in the fast lane about 2 minutes. Mix egg yolk, remaining 2 tbsp butter, vanilla and 1/4 cup sugar. Beat on medium speed 2 minutes. Add half the milk and half the flour mixture. Mix. Put the remaining milk, orange peel and flour mixture. Again crashed. Carefully add the beaten egg whites gentle stirring. The dough is poured onto the fruit. Bake 30-40 minutes in preheated oven at 180 C. baked cake left two minutes in the oven and invert on a plate. The fruits must remain on top.