Beat eggs with kefir, add sugar, salt.
Then pour the flour and mix again, after a thin stream pour in the milk while stirring constantly. The dough should turn out smooth and without lumps.
Add melted butter and vegetable oil. Shuffle.
Pour boiling water and mix quickly, leave the dough to stand for 10 minutes.
Preheat the pancake pan well and oil before the first pancake, then you will not need to do this. Pour a small amount of dough into the pan and distribute it evenly with rotating movements of the pan. Fry the pancake on both sides until golden.