Whisk together all the dry ingredients with the exception of the baking soda. In another bowl whisk together the pumpkin, eggs, half and half and baking soda. Next cut the butter into the dry ingredients. Now add the wet to the dry and mix well. Once combined fold in the pecans.
Place dough in a greased loaf pan and bake for about 40 minutes or until a tooth pick comes out clean. Like with all breads time can vary, sometimes i have baked this for 35 minutes and as long as 55 minutes, check the bread at the 35/40 minute mark.