Ingredients
1/2 c. butter, melted, plus more for buttering pan
1/2 c. unsweetened cocoa powder, plus more for dusting pan
1 c. all-purpose flour
1 tbsp. pumpkin pie spice
1 tsp. baking soda
1/2 tsp. baking powder
1/4 tsp. kosher salt
3/4 c. sugar
1/4 c. sour cream
1 tsp. pure vanilla extract
1 egg plus 1 egg yolk
1 c. semisweet chocolate chips
1 c. pumpkin puree (unsweetened)
1 1/2 c. semisweet chocolate chips
3/4 c. heavy cream
Preparation
Step 1Preheat oven to 350°. Butter a 9"-x-5" loaf pan and dust with cocoa powder.Step 2In a large bowl, whisk together flour, cocoa powder, pumpkin pie spice, baking soda, baking powder, and salt.Step 3In another large bowl, combine melted butter, sugar, sour cream, vanilla, egg and egg yolk until smooth. Pour wet ingredients over dry and stir until combined, then fold in chocolate chips and pumpkin puree.Step 4Transfer batter to prepared pan and bake until a toothpick comes out clean, 60 to 65 minutes. Let cool at least 10 minutes.Step 5Make ganache: Place chocolate chips in a heatproof bowl. In a small saucepan over low heat, heat heavy cream just until it bubbles. Pour heavy cream over chocolate chips and let stand 2 minutes. Whisk until completely smooth and no clumps remain. Step 6Pour ganache over pumpkin bread, smoothing top if desired, and serve.