Other materials:

• 76 gram beaten egg
• 1 tablespoon water
• Granulated sugar

Preheat the oven to 200°C (convection oven  180°C). Mix 100 gram mixture with 76 gram egg and 1 tablespoon water. Mix at high speed for 7-8 minutes. Then mix at low speed for another 2-3 minutes.

Sprinkle a thick layer of sugar on the baking paper. Fill a decorating bag with the batter and cut of the top, with a dia of 8 mm. Pipe long stripes of batter on the sugar. Keep in mind that the batter rices.

Bake the sponge fingers in approx. 8 minutes at 200°C. Place the oven back to 100°C with the door  a bit open en bake the fingers for another 15 minutes.

They are done when they are firm to touch. The best way to decorate them is between a layer of baking paper in a sealed container.