Potato Knishes

Directions

1. 1
   TO MAKE THE DOUGH: combine flour and soda.
2. 2
   Make a hole in the centre and add beaten egg and egg whites and 1/4 cup of water.
3. 3
   Gradually mix with a knife, working from the inside out and adding more water in small amounts (about 1/4 cup at a time).
4. 4
   When well-mixed, divide into 6 balls.
5. 5
   Knead with your hands and throw dough on counter top several times.
6. 6
   With a small amount of flour, add 1 Tbsp.
7. 7
   of oil to each roll.
8. 8
   Knead until smooth and elastic enough for a thumb print to stay for a few seconds in the dough.
9. 9
   Place dough in a pie plate and pour remaining oil over balls to soak.
10. 10
    Let stand at least 1 hour before using.
11. 11
    FOR THE FILLING: Saute onions in vegetable oil.
12. 12
    Mix potatoes with onions, eggs, salt and pepper.
13. 13
    TO ASSEMBLE KNISHES, roll dough with a rolling pin; press with hands until very thin.
14. 14
    Holding dough in your hands above a table, begin stretching in the middle and working towards the outside.
15. 15
    Each ball of dough should be as thin as paper (about 1/16 of an inch).
16. 16
    Form potato mixture into a long slender roll, about 1 inch in diameter.
17. 17
    Roll dough around potato mixture.
18. 18
    Seal.
19. 19
    Preheat oven to 400 F.
20. 20
    Cut rolls into 1 1/2 inch pieces.
21. 21
    Push ends partially shut and place ends down on a shallow greased baking sheet.
22. 22
    Bake 45 minutes in a 400 F.
23. 23
    oven, until lightly browned.
24. 24
    Makes 12 knishes.