In another large bowl combine white flour, wheat flour, oats, and salt

Add melted butter to the water/sugar/yeast

Add 2 cups of flour mixture and stir with a large wooden spoon

Continue to add flour 1 cup at a time, stirring in to incorporate all the flour between flour additions.

Continue until all flour is added and incorporated.

Dump onto a lightly flour mat and knead for 5 minutes.

Put into a large sprayed bowl and lid, cover for let raise until double about 1 to 2 hours.

Once double, punch down.

Spray 2 loaf pans.

Divide into 2 equal balls and roll into loaf size and place in your pans.

Cover and let raise until about 1 inch above the top of the pan, about 1 hour.

While loaves are rising preheat oven to 425 degrees.

Once loaves have risen enough, lower your oven temperature to 375 and bake bread for 25 minutes.

At 25 minutes remove loaves and spread butter on the top.

Place bake in the oven and bake for 5 more minutes.

Remove from oven and let cool in pan for 5 minutes, then remove from pans and cool on rack.