Prepare the fruits and other ingredients from the list.
Segment the orange. First, cut off 3-4 slices and peel off a few zest strips, which after drying in the oven will become decorations for the pie. Then, using a grater, remove the remaining zest from the citrus. Free the pulp from the membranes and cut into cubes.
300 g orange
Spread the zest and orange slices intended for decoration on foil (if parchment is available, then better on it) and dry at a temperature of about 100 degrees until ready. This will take about 3 hours. If there is no time, you can dry at a higher temperature, risking getting burnt decorations.
For decoration, you can also use berries of real rowan. If it is frozen, then immerse the bunches in cold water, and then rinse.
rowan
Prepare the apples. For this, cut one apple into cubes (with the peel or without - depends on personal preferences and the thickness of the peel itself). Cut the second apple into thin slices.
350 g apple
In a bowl, combine eggs and sugar.
3 pcs egg, 180 g sugar
Beat them. Add zest. Mix
Add flour, baking powder, vanillin. Mix again.
150 g flour, ½ tsp vanillin, 1 tsp baking powder
Put apple and orange cubes into the dough. Mix.
Line the bottom of the mold with a 'French shirt', which will help later remove the finished sponge cake without damage. To do this, grease the bottom with any oil and sprinkle with a layer of semolina.
Put the dough into the mold.
Bake from 40 minutes to 1 hour depending on the height of the dough layer.
The temperature in the oven at this time is 180℃.
Decorate the pie with dried orange slices, zest, powdered sugar, and rowan berries. The pie with apples and oranges can be served 20 minutes after cooking. It goes well with milk, tea, coffee, and ice cream.