INGREDIENTS
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250 g soft butter
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200 g sugar
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5 eggs
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300 g flour
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100 g potato starch or tapioka
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3 tbsp baking powder
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2 packets vanilla sugar or the core of 1 vanilla bean
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4 tbsp milk
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1 kg apples
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Streusel
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100 g marzipan (optional)
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300 g flour
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100 g sugar
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1 egg yolk
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150 g cold butter
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cinnamon
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butter for the baking tray
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powdered sugar, lemon juice