Sheina's Challah from Loaves of Love

4 cups warm water
3 tablespoons active dry yeast
2 cups sugar
13 cups white bread flour
2 eggs
1 cup canola oil
2 teaspoons salt

In large mixing bowl combine water, yeast and sugar. Let rest until yeast dissolves, about 5 minutes.  Add remainder of ingredients and knead by hand until dough becomes smooth and elastic. Cover with a clean kitchen towel and let rise until double in size, about 1 hour. Punch down and knead for about 5 minutes. Cover and let rise for an additional hour.                                        

Grease 2 cookie sheet pans.                                                                                                             Preheat oven to 350 ^oF
Divide dough into 6 sections. Braid each challah .Place 2 or 3 challahs on each pan.
Brush each challah with beaten egg. Top with sesame seeds. Let rise another hour.
Bake 30 minutes.