Sour Cream Kolatchen

• ½ cup butter
• 5 yolks
• 2 tablespoons sugar

Cream the butter, add eggs, sugar, lemon rind and sour cream and the yeast dissolved with a little sugar in the lukewarm milk. Stir all together and add the flour; mix and drop from end of teaspoon on well greased pans. Let rise until light in a warm place. Place a raisin or cherry on the top of each cake, spread with beaten white of egg, sprinkle with sugar and bake to minutes in a hot oven.</