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1
Cake base.
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2
Preheat oven to 300 F
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3
Whip egg whites using a mixer until they are firm.
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4
Add sugar slowly.
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5
When egg whites and sugar are well blended add lemon juice.
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6
Transfer the mixture onto parchment paper placed inside a baking pan.
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7
Let the cake bake at 250 F for 1hour.
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8
After its done let it cool for 15-20 minutes.
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9
Custard.
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10
Place one large pot filled with water half way on the stove to boil.
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11
Place jars of nutella into hot water so it softens while you prepare the custard
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12
While you wait for the water to boil mix the egg yolks, eggs, flour, sugar, and 2 tablespoons of milk. Mix it in a pot that can fit inside the larger pot with boiling water. If you have a double boiler that's perfect!
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13
When the water starts boiling reduce it to a simmer and place the pot with the mixed ingredients on top of the pot with boiling water.
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14
Slowly add the rest of the milk.
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15
Cook until the mixture thickens. Stir continuously to avoid burning and/or scrambled eggs!
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16
Remove from heat and let cool.
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17
When the custard is luke warm add previously whipped butter.
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18
Add 3 vanilla sugars into 1/3 of the custard (white custard).
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19
Add softened nutella into the remaining 2/3 of the custard (chocolate custard).
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20
Whip the whipping cream.
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21
Layer the cake.
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22
Cake base.
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23
White custard mixture.
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24
Graham crackers briefly dipped into milk.
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25
Chocolate custard mixture.
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26
Whipped cream.
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27
Optional: crush some of the graham crackers and spread the crumbs on top of the whipped topping.
