Mix the wheat flour, all-purpose flour, sugar, salt, ground flax seed, oats, and yeast in a bowl.
Mix in butter and honey.
Gradually add the buttermilk to the dry ingredients and beat with a mixer fitted with a dough hook for about two minutes.
Set the dough in a warm spot for about 60-90 minutes or until it doubles its size.
Roll the dough into the shape you want it.
Roll up tightly starting at the wide side and pinch the seam.
Let the dough rise until doubled again.
Preheat the oven to 375 °F.
Make 3-4 slits on the top of the bread.
Bake for 25-35 minutes.
