Swiss roll with strawberry filling

Ingredients for 1 serving

For the sponge cake dough:
5 egg(s)
100g sugar
75g flour
30 g starch flour
1 pinch of baking powder

For the filling:
350g strawberries
200 g strawberry jam
400 g cream
50g powdered sugar
2 packs of cream stiffener
1 pack vanilla sugar
Powdered sugar, for dusting