In 1-quart saucepan, heat milk, water and 1 tablespoon softened butter over medium heat to 120°F to 130°F (butter will not melt). In large bowl, mix 1 1/2 cups of the all-purpose flour, the salt and yeast. Add milk mixture and honey. Beat with electric mixer on low speed 1 minute, scraping bowl frequently. Beat on medium speed 1 minute, scraping bowl frequently. Stir in whole wheat flour, oats, flaxseed and enough remaining all-purpose flour to make dough easy to handle.