First hit A to dry foaming
Add sifted B in 1 and mix well
Then slowly add C and mix well.
Spread the white paper in the baking mold, then brush the oil
Step 3 is smoothed in step 4
Bake at 250/0 ° C for about 5 minutes
Bake the baked 5 on a white paper, apply a whipped cream, roll it up, and cut it into a 4cm wide one.