|Coarse rye flour|
Prepare the mise en place.
Combine the rye and whole wheat flours with the water, milk, honey, salt, yeast, and ammonium bicarbonate in the bowl of a standing electric mixer fitted with the hook. Mix on low speed until blended. Increase the mixer speed to medium and mix for about 8 minutes, or until the dough has come together and pulls away from the side of the bowl but remains