STEP 1

For the dough:Mix flour with butter, egg and sugar.

STEP 2

Let it rest for half an hour.

STEP 3

Form the cake and bake until ready.

STEP 4

For the filling:Separate the egg whites from egg yolks.

STEP 5

Whisk egg whites until firm consistency with sugar.

STEP 6

Whisk egg yolks with sugar gradually adding Jogurt.

STEP 7

Mix altogether and let it rest in a fridge for at least half an hour.

STEP 8

Peel an apple and grate it.

STEP 9

On a low heat let the apple puree simmer with a bit of sugar.

STEP 10

Put the puree aside and let it cool down.

STEP 11

Gather the cake and place in the freezer for at least 2 hours until formed and ready.

STEP 12

Enjoy