Dissolve baking soda in sour cream. Mix the flour, sour cream, baking soda and
egg well. Allow the dough to sit for 2 hours.
Meanwhile, prepare filling from boiled potatoes mashed with butter, salt and
pepper. Add cottage cheese to potatoes. Add dill to taste. Roll out dough about
1/4 inch thick. Cut out circles with bottom of glass. Place a teaspoon of potato
filling on each circle. Pinch edges together to make a small oblong perogy. Place
pinch edges down on buttered baking sheets.
Bake at 325 degrees F for about 20 minutes or until golden brown. Remove from