Combine yeast sugar and water. Let stand 10 minutes.
Add whole wheat flour, 1 cup at a time, mix.
Add oil, honey, egg and salt, mix.
Add regular flour, 1 cup at a time, mix.
Allow to rise, 3 hours.
Punch down, allow ½ hour more rising.
Spray pam on bottom of pan.
Sprinkle sugar-cinnamon mixture on bottom of pan. Shape challah and place in pan.
Bake at 350F for ½ hour until desired doughiness.
Can halve (but use 1 egg), double or triple recipe.