Pierogi - cooking recipe

Ingredients

3 lb. red potatoes
2 c. dry cottage cheese
1/2 c. onions, sauteed
1 1/2 to 2 heads cabbage
6 c. flour
2 whole eggs
3 egg yolks
dash of salt

Preparation

Cook peeled and cubed potatoes in water until soft.
Drain water, but save for dough.
Mash potatoes and add 2 cups of dry cottage cheese and 1/2 cup sauteed onions.
Mix together and refrigerate to cool.