Hazelnut chocolate cupcakes!

Hazelnut chocolate cupcakes!
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Egg yolks 70 gr (~5 pcs)
Salt 2 gr
Sugar 60 gr
Hazelnut flour 40 gr
Flour 20 gr
Cocoa 10 gr
Cornstarch 5 gr
Baking powder 4 gr
Warm milk 30 gr
Vegetable oil 20 gr
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Beat the yolks into a fluffy mass with sugar and salt.
Add the milk and oil and gently add all the dry ingredients.
Bake in preheated oven for 17 minutes, 170C.
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Chocolate ganache:
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Milk chocolate 120 gr
Cream 33% 45 gr
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Heat the cream.
Combine with the chocolate and mix well.
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Cream with mascarpone:
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Cream 33% 100 gr
Powdered sugar 100 gr
Mascarpone 220 gr
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Mix all ingredients and whisk until sturdy peaks.