Combine active starter, tomato juice, water, garlic powder, honey, oil, basil, dough enhancer, and 1 cup whole wheat flour in a mixer bowl. Mix until well combined. Add remaining wheat flour. Mix well. Add bread flour by the tablespoon until dough pulls way from the sides of the mixer bowl. Let rest 20 minutes. Add salt and cheese if desired and mix for 7-9 minutes. Place in a well-greased bowl. Cover tightly and allow to rise for 5-6 hours. Shape unto 2 loaves. Place in pans. Cover with greased saran wrap. Allow to rise 1-2 hours. Slash tops of loaves with a sharp knife or razor blade. Bake at 350 degrees for 30 minutes.