1. Prepare the material, separate the egg white and yolk (take 4 egg white and 3 yolks), and add 35g of sugar into the yolk
2. Beat with the eggbeater until foaming
3. Add water, salad oil and lemon juice in turn and mix well
4. Sift the low gluten flour and corn starch into the yolk paste
5. Use the eggbeater to make a uniform batter
6. Add 30g of fine granulated sugar into the protein in two steps, and beat until it is wet foaming
7. Lift the eggbeater to a sharp angle
8. Take a third of the beaten egg white, put it into the yolk paste and mix well
9. Pour the batter back into the remaining two-thirds of the protein
10. Continue to mix into a fine paste
11. The Matcha powder and the red pigment are boiled with a small amount of water
12. Take two small portions of batter, add Matcha and black pigment respectively, mix well and put them into the flower mounting bag, cut a small mouthful at the sharp corner, draw the carnation pattern on the baking tray paved with oil paper, put them into the oven preheated at 170 degrees for 1.5 minutes and take them out
13. Pour the original batter into the baking tray with the pattern, and use the scraper to smooth the surface of the cake batter
14. Pick up the baking tray, tap the bottom with the other hand, take out the big bubbles, put them into the preheated 170 & deg; oven, heat up and down, bake for about 15 minutes
15. The baked cake slices are immediately buckled on the air rack to prevent retraction. Tear off the oilpaper while it is hot, and then cover it back, so as to prevent cracks when rolling
16. When there is no temperature, put on a clean oil paper and turn it over
17. Peel the edges around the cake and make shallow knife marks on the cake slices at 2cm intervals. Beat the animal cream with fine sugar and ice to make cream cream, and then spread it on the cake body with a spatula
18. Put on the banana section
19. Slowly roll it up, wrap it with oil paper and refrigerate for 1 hour
20. The cocoa powder is heated, hydrated, put into the decoration bag, cut a thin mouth, and write the words "mother's Day" on the cake roll!