Preheat oven to 350.

Pour cake mix and pudding mixes into a bowl. Using a stand or a hand mixer, begin mixing the dry ingredients together and slowly blend in the club soda.

Pour in the vegetable oil and continue to mix.

Beat in eggs, one at a time, mixing between additions.

Once the batter is fully mixed, fold in 1/2 c chocolate chips.

Pour batter into well-greased bundt cake pan and bake in preheated oven for 45 minutes (go ahead and check at 42-43 minutes with a toothpick; if it comes out clean, remove from oven).

While cake is baking, prepare chocolate ganache by pouring whipping cream and remaining 1/2 c chocolate chips in small saucepan over medium heat. Stir occasionally until chocolate chips are completely melted and you've made a thick chocolate sauce - about 4-5 minutes.

Remove from heat and set aside.

Once cake comes out of the oven, allow to cool for about 10-15 minutes in the cake pan before transferring to a cooling rack.

Once the cake is cool (it doesn't need to be completely cool - it can still be warm), transfer to a cake plate or a platter and drizzle chocolate ganache on top.

Add sprinkles if you want!

Serve pieces by themselves or with a scoop of vanilla ice cream and enjoy!