Chocolate Chip Sour Cream Cake

Sour cream is the workhorse ingredient that turns a basic chocolate chip cake into something extraordinary. Its fat keeps the crumb tender, its acidity activates the baking soda for lift, and its tang balances the sweetness of all those chocolate chips. The cake stays moist for three days at room temperature.

The layered construction is the showstopper. Half the batter goes in a tube pan, then a generous layer of chips is scattered across the top, then more batter, then more chips, and a final cinnamon sugar dusting. When you slice into the finished cake, the cross-section reveals a striped chocolate vein running through the middle.

A tube pan (or angel food pan with a removable bottom) is the right vessel here. The central hole conducts heat through the dense, moist batter so the center bakes through at the same rate as the edges.

Pro Tips

• Use room-temperature sour cream and eggs, cold ingredients can split the creamed butter
• Toss chocolate chips with a tablespoon of flour before adding to keep them from sinking to the bottom
• Don’t overmix once flour goes in, you want a tender cake not a tough one
• Use the toothpick test in the cake portion, not in the chip layer, where it’ll always come out gooey
• Cool 15 minutes in the pan before inverting, this rich cake tears if rushed

Variations

• Substitute mini chips for regular for more even distribution and more bites with chocolate
• Add a swirl of Nutella into the middle layer for double chocolate
• Stir a tablespoon of espresso powder into the cinnamon sugar topping for mocha character