Green Tea Mousse Cake

Heat material A and stir until the sugar melts.
Soak the gelatine tablets in cold water and add to 1 and stir until melted.
Add green tea powder and stir well, add rum and mix well.
Whip the whipped cream over ice and white sugar until it reaches 6-7 percent, then add to 3 and stir evenly.
Spread cake slices (pre-baked cake blanks) on the bottom of the mold, add half of the ingredients, and then spread the second layer of cake slices, then add the remaining ingredients, put them in the refrigerator until they solidify, and then take them out.