I don't know if this is the right thing, but it sounded close. I haven't made it but it sounds like a very rich cake doughnut. Good Luck, Carol!

Grebbel (a German-Russian Doughnut)

1/2 cup soft butter (no substitute)
1/2 pint sour cream (do not use fat free or low fat)
4 eggs, beaten
4 cups flour
1/4 tsp. baking soda
2 tbsp. sugar
1/2 tsp. salt
2 teas. baking powder

Sift dry ingredients. Combin butter, sour cream and eggs, add dry ingredients. Makes a soft sough. Let rest at room temp. 1 hour - will rise. Knead down and roll out on lightly floured board to about 1/8-inch thick. Cut into desired shape and cut center slits (2) twist and drop into 350 degree hot oil. Watch closely and turn over and fry to lightly browned. Drain on paper towels, shake in powdered sugar.