Morning is not my favorite time of day. Saying I am not a morning person is a bit of an understatement. Truth be told, every morning until my daughter was born I would stumble around in a daze for an hour. So, that said...
In a large bowl, combine the flour, baking soda, ground spices, and salt. Whisk to combine. Set aside.
In the bowl of a electric mixer, beat the butter and sugar until light and fluffy. About 2-3 minutes. Add the eggs, one at a time, beating well after each addition. Beat in the vanilla extract. Scrape down the sides of the bowl. With the mixer on low speed, alternately add the flour mixture and pumpkin puree, in three additions, beginning and ending with the flour mixture. Fold in the chocolate chips.
Fill the muffin cups evenly with the batter using two spoons or an ice cream scoop. Place in the oven and bake for about 18 - 20 minutes, or until firm to the touch and a toothpick inserted in the center of one of the muffins comes out clean. Place on a wire rack to cool.