01 -
Preheat the oven to 325 °F.
02 -
Using an electric mixer, cream together the butter, granulated sugar, and brown sugar until light and fluffy, about 4 to 5 minutes.
03 -
Add the eggs one at a time, then incorporate the pumpkin puree and vanilla extract, mixing until combined.
04 -
In a separate bowl, whisk the flour, baking powder, salt, cinnamon, nutmeg, ginger, and allspice. Gradually add this dry mixture to the batter and beat on low speed until just blended, about 30 seconds to 1 minute. Fold in the chocolate chips.
05 -
Grease and flour a 12-cup bundt pan. Transfer the batter into the pan, spreading evenly. Bake until a tester inserted in the center comes out with moist crumbs, approximately 60 minutes.
06 -
Allow the cake to cool in the pan for 15 minutes, then invert onto a wire rack to cool completely.
07 -
Heat heavy cream until steaming. Pour over the chocolate chips and salt. Let stand for 5 minutes, then stir until smooth. Allow ganache to thicken at room temperature for 10-15 minutes.
08 -
Spoon the ganache over the cooled cake, spreading it down the sides as desired.