In a large mixing bowl with a handheld electric mixer beat the butter and sugar, and mix on low-medium speed for 3-4 minutes.

Beat the Butter and Sugar

Add in the eggs, one at a time, and beat until fully combined.

Add Eggs

Step 2

In a small bowl whisk together the flour, baking soda, and salt. Then in a separate bowl mix together the vanilla extract and sour cream.

Mix the Wet and Dry Ingredients Separately 

Step 3

Add ⅓ of the flour mixture to the butter mixture and mix to combine, then add ½ of the sour cream mixture mix to combine then ⅓ of the dry ingredients


Step 4

Repeat with the remaining sour cream and dry ingredients, mixing until just combined. You don't want to overmix the batter.


Step 5

In a small bowl toss the chocolate chips and one tablespoon of flour together, then gently fold them into the cake batter.

Add Chocolate

Step 6

Pour into the prepared cake pan and use an offset spatula or butter knife to spread the batter into an even layer. Bake for 65-75 minutes


Step 7