01 -
Preheat the oven to 400°F (200°C). Line a standard muffin tin with paper liners.
02 -
In a large bowl, whisk together the flour, dark brown sugar, baking powder, cinnamon, cloves, nutmeg, and salt.
03 -
In a medium bowl, whisk together the buttermilk, melted butter, egg, pumpkin puree, and vanilla extract.
04 -
Pour the wet ingredients into the bowl with the dry ingredients and stir using a rubber spatula until just combined. Gently fold in the chocolate chips, taking care not to overmix.
05 -
Evenly divide the batter among the muffin tin cups.
06 -
Bake the muffins until golden brown and a toothpick inserted in the center comes out clean, about 20 to 22 minutes.
07 -
Let the muffins cool until barely warm. Serve immediately or store in an airtight container at room temperature for up to 3 days. Reheat in the microwave for 15 seconds, if desired. Muffins can also be frozen in an airtight container for up to 3 months.