Slice thinly ginger, put in boiling water and cook for 2 minutes. Then take out ginger, pour sugar in the water and cook the syrup until sugar dissolves.
Remove from the heat, put ginger syrup.
Whisk eggs.
Pour milk in ginger syrup, add semolina, pour whisked eggs stirring constantly, then add apple slices and oil, stir up.
Put the prepared mixture in portion molds and prepare in double cooker for 5 minutes.
Serve the pudding hot or cold.