Step 1

Preheat oven to 350 degrees. Spray a 12 - 15 cup non-stick bundt cake with non-stick cooking spray. Dust lightly with flour and cocoa powder (about 1/2 Tbsp of each). Shake out excess.

Step 2

In a medium mixing bowl whisk together flour, sugar, baking soda and salt. Set aside.

Step 3

In a large mixing bowl whisk together melted butter, hot water and cocoa powder.

Step 4

Add flour mixture to butter mixture and using an electric hand mixer blend until well combined.

Step 5

Add sour cream, eggs and vanilla extract. Mix until well combined.

Step 6

Pour mixture into prepared bundt pan.

Step 7

Bake in preheated oven until toothpick inserted into center comes out clean, about 40 - 50 minutes.

Step 8

Let cool 8 - 10 minutes then run a knife down the sides of cake to ensure they're loose. Invert onto a wire rack to cool at least 30 minutes.

Step 9

To make the chocolate ganache place chocolate in a medium heat proof mixing bowl.

Step 10

Heat heavy cream in a small saucepan on the stove until just simmering. Pour hot cream over chocolate (submerge chocolate if needed).

Step 11

Let mixture rest 4 minutes then stir until melted and smooth.** Pour chocolate mixture over cake. Let cool slightly.

Step 12

Cut into slices and serve.