Dough [wheat flour, water, milk, kefir (milk, sourdough), lactose-free butter (pasteurized cream, salt), sugar, iodized salt, dry yeast (yeast, emulsifier E491), vegetable oil (rapeseed)], cheese 40% (pasteurized milk, salt, enzymes, lactic acid bacteria), egg yolk (pasteurized egg yolk, preservative E202, acidity regulator E330), vegetable oil (rapeseed)