Hungarian cheese biscuits

Hungarian cheese biscuits - We baked a traditional Hungarian salty snack - "sajtos pogácsa", cheese biscuits.
The written recipe: tsabeekitchen....
Ingredients:
500 g of plain flour
1 tsp sugar
2 teaspoons of salt
7 g of dried yeast
2 egg yolks
250 g of butter
4 tablespoons of sour cream
200 g grated cheese
egg for brushing