1Preheat oven to 350.Grease and flour 2 loaf pans.
Sift the white flour,sugar,baking powder,and salt into a large mixing bowl.Stir in the whole wheat flour,pecans,and orange zest.
In another bowl,beat the eggs,then add the milk,molasses,orange juice and vanilla,blending well. Stir in melted butter.
2Make a well in the dry ingredients and add liquid mixture all at once.
Stir gently with a fork,just enough to combine the wet and dry ingredients.
Divide batter between 2 pans and bake for 1 hour or until bread tests done with a toothpick.
Cool slightly in pans before removing to a rack to cool thoroughly before slicing.