Blini Canapés

Separate eggs. Mix flour and buckwheat flour in a bowl. Dissolve yeast in a bowl with milk and stir with melted butter and egg yolk. Add yeast mixture and salt to the flour, mix, cover and let rest in a warm place for about 45 minutes. 

Then beat egg whites in a bowl until stiff and fold into yeast mixture.

Heat some butter in a pan, add a tablespoon of yeast mixture, flatten slightly and fry on both sides until golden brown. Continue process until all of yeast mixture is completely used. Keep warm.