Grandma’s Strudel with Poppy Seeds

Directions

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  Whisk the egg whites with the sugar, then add the egg yolks that have been previously beaten with butter (butter).
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  Stir the yeast in warm milk, then combine with the eggs. Gradually add flour to get a smooth soft dough that must not stick to your hands. Coat the dough with a little oil and let it rise.
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  During that time, cook the poppy seeds in milk and sweeten to taste.
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  When the dough rises make 4 balls and spread one by one to the thickness of a finger. Fill with cold poppy seed filling and wrap in loaves.
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  Leave it in the pan for another half an hour, then bake at a moderate temperature for about 40 minutes. When it is done, sprinkle it with powdered sugar.