Preheat oven to 350°F. Grease 12 (2 3/4-inch) muffin pan cups or line with paper muffin cup liners. In a medium bowl, stir together the flour, baking powder, baking soda, cinnamon and salt; set aside. In a large mixing bowl, mix the sugar, pumpkin puree, eggs and vegetable oil until well combined. Add the flour mixture and stir just until dry ingredients are moistened. Stir in the chocolate pieces and 1/2 cup of the peanuts. Spoon batter into prepared muffin cups. Sprinkle with remaining peanuts.
Bake in center of 350°F oven for 25 to 30 minutes or until toothpick inserted into center comes out clean. Cool in pan 10 minutes. Remove from pan and cool on wire rack.Notes: 1 cupcake per serving
Nutrition information per serving:
Calories from Fat: 108