Bring the water, butter and salt to the boil, pour in the flour all at once, stir until the dough separates from the dishes and wooden spoon. Let cool a little - beat the eggs and slowly stir into the hot dough. Place the Krapferl on a baking sheet lined with baking paper and bake for about 20 minutes at 220 °. Let cool down.
Whip the whipped cream with sugar until stiff, cut the strawberries into small pieces and fold into the cream. Cut the donut horizontally and fill it.