Vareniki

Pasta:
3 cups flour
1 cup sour cream
2 eggs
1/4 teaspoon baking soda
1/2 teaspoon salt
1 teaspoon baking powder

Filling:
Mashed potato
finely chopped onion to taste
shredded cheese

Directions:
Mix the sour cream, baking soda & eggs. Add sifted dry ingredients. Mix together to make a soft dough. Turn out on a floured board and cut out circles about 2 1/2" diameter. Put a heaped teaspoon of filling in circle, fold over and pinch the edges together to SEAL WELL. Drop into a pot with plenty of boiling water and a teaspoon of salt. Boil for about five minutes, or until they are floating and swollen. Remove with a slotted spoon to aid draining. Serve hot with melted butter and/or sour cream.

Recipe found at Epicurean.com