Combine 12 cups of flour and salt in a mixer
Combine eggs, 3 cups of water, and oil in mixer
Add sour cream, water, oil & egg mixture to flour
Mix until dough is creamy & pliable
Allow dough to rest for 30 minutes
Roll out dough and cut into circles
Fill dough circles, fold over & crimp together
Cook pierogi in salted water until they float
Brown cooked pierogi in skillet with butter
Serve with butter, onion, and sour cream with chives or dillweed
