Coffee Mousse Cake

Mom's friend ordered a coffee mousse cake,
there is two layers of sponge cake and topped with whipped cream and chocolate waffle,
All her friends liked the cake,
I specially made it less sweet because middle age people don't like sweet sweet cake



Recipe:
(A)
Original Sponge Cake 1 (8")

(B)
Gelatin powder 1 1/2 Tsp
Coffee powder 2 Tsp
Hot water 1 3/4 cup
Rum 1 Tsp (optional)

(C)
Egg Yolk 1
Sugar 50g
Honey 2 Tsp

(D)
Whipping Cream 250 ml

(E)
Chocolate/ Waffle/ Fruit for decoration (optional)

1- Cut the sponge cake into 2 layers
2- Combine everything in (B), let cool to room temperature
3- Boil some water, Beat yolk and sugar in a big bowl set on top of the boiling water, till white and fluffy, remove from heat and add honey
4- Whipped the cream still stiff, fold in the yolk mixture, stir in (B) quickly
5- In a removable cake mold, place a piece of baking paper inside
6- First layer a sponge cake slice in the bottom, pour half of the mousse mixture
7- Place another layer of sponge cake, pour the rest of the mousse mixture, shake lightly so the surface is nice and smooth
8- Refrigerate for 3 hours, place a hot towel outside the cake mold and release