2 1/3 cups warm water (about 110 degrees F)
2 tsp. instant yeast
1/4 cup honey
1/4 cup butter, melted
2 1/2 tsp. salt
3 cups whole wheat flour
3 1/2 cups unbleached all purpose flour
Pour water into the bowl of a stand mixer. Sprinkle on yeast and let stand for 10 minutes.
Add honey, butter, salt and one cup each of whole wheat and all purpose flours. Stir to combine.
Add remaining flours, attach dough hook and knead on low speed until combined. Knead on medium speed until smooth and elastic, about 5 minutes.