Surabaya style Chocolate and Egg layer cake (Lapis surabaya)

Yellow layer:
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100 G flour
10 Egg yolk +2 whites
150 G caster sugar
1 1/2 stick of butter (melted)
1-2 Tbs vanilla extract

Chocolate layer:
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100 G cocoa powder
10 Egg yolk + 2 whites
150 caster sugar
1 1/2 stick of butter (melted)
1-2 Tbs of Vanilla extract

for filling:
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1/2 cup or less strawberry or raspberry jam
1/2 cup whipped cream
Mix ingredient  above

do it separate batch
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In The medium speed, mix the egg and the sugar until light and fluffy, then add vanilla extract  the flour / cocoa powder, then stir with spatula fast or on high speed for 5 second and quick add the melted butter, stir fast together until mix well

Heat the oven 350-375,  bake for 15-20 minutes....set a side till cool down then spread the mixing strawberry and whipped cream mix in between layer, then sliced as preferred...or trimed and decorated with whipped frosting to make a B day cake .....enjoy trying