INGREDIENTS
1 cup
unsalted butter, softened
1 1/2 cups
packed brown sugar
3
eggs
3 cups
flour
2 tsp
baking powder
1 tsp
baking soda
1 tsp
salt
1/2 cup
sour cream
2 tsp
vanilla
1 1/4 cups
canned pumpkin
2 tsp
pumpkin pie spice
1/3 cup
buttermilk
2 tbsp
cocoa powder
1/2 cup
heavy cream
4 oz
chopped semi-sweet chocolate