1.5 cups warm water
1/2 tbls yeast
1/2 tsp salt
1/2 tsp baking soda
1/2 tsp baking powder
6 tbls sugar
4.25 cups unbleached bread flour
Combine all ingredients except flour in mixing bowl. Add flour, turn mixer on low with a dough hook for approx. 8 minutes, or until dough is solid ball on hook.