Potato Sponge Bread

Ingredients:

4 Med Potato
1 tb Salt
4 c Flour, bread
2 tb Sugar
1 c Yeast
1/2 c Water, lukewarm

Method:

Pare and boil the potatoes and while hot, mash finely and rub through a sieve or colander.
Add the sugar, salt and dissolved yeast cake.
Stir flour into the mixture, beating well.
Add more flour to form soft dough.
Turn onto a floured board and knead.
Return to bowl, cover and let rise over night.
In the morning, form into loaves, let rise until light and bake at 350-F for 45 to 50 minutes.