1. Add cocoa powder to hot water and stir well
2. Add 15 grams of powdered sugar and corn oil and mix well, then sift in low-gluten flour and mix well
3. Add egg yolk and stir well and set aside
4. Add 45 grams of powdered sugar to the egg whites and beat
5. Mix egg yolk paste and egg white paste
6. Pour into the baking tray, pour into the oven, 170 degrees, bake for 25 minutes
7. Bake it out and let cool
8. Whip the whipped cream with sugar, add 40 grams of Oreo cookie crumbs and mix well
9. Cut the cake into pieces, put it in a cake box, layer cake, layer of Oreo cream, and layer of Oreo cookie crumbs.
Tips:The ready-made box cakes are put in the refrigerator and eaten for 2 hours, and the taste is better.
