Preheat oven to 325 degrees, place oven rack in center position, use a paper towel to wipe sides and bottom of two 8x4" loaf pans with butter, then dust with flour, set aside
In a medium size bowl, whisk together all dry ingredients: flour, baking soda, baking powder, salt, cinnamon and nutmeg. Set aside
In a large bowl cream together butter, sugar, eggs, and pumpkin puree. Mix until smooth and well incorporated
Add dry ingredients to wet ingredients a little at a time and mix until well combined
Using a spatula, add 3/4 cup pecans and 1 1/4 cup chocolate chips and mix well (reserve the rest of chips and nuts for topping)
Separate batter evenly into loaf pans, tap pans on counter firmly and smooth top with spatula. Sprinkle reserved chocolate chips and pecans on top of each loaf.
Bake in the oven for 55-60 minutes, or until inserted toothpick comes out clean
Allow to cool before slicing, serve