I always make extra dough to freeze and bake at a later date.  I have included instructions for successful freezing so you can be sure to always have fresh Challah for Shabbos!

The Loschaks' Incredible Challah

Dough 

2 1/2 cups lukewarm water
2 T (or 6 t or 2 packets plus 1/2 t) Yeast
3/4 cup sugar
3/4 cup oil
3 jumbo eggs
1 1/2 tablespoons salt
12 cups flour 

Directions

Dissolve yeast in water.
 
Add sugar, oil, eggs and salt and mix well.
 
Add flour and knead until a little sticky to the touch.
 
Let the dough rise until double in bulk. 

(Click here for dough-freezing instructions.)

Punch down.
 
Separate the challah and make a blessing.

Make strands of dough and braid.

(Click here for braiding instructions)

Paint the challah loaves with beaten egg yolks. 
 
Let rise.
 
Bake at 360 for 20 minutes or until golden brown.