Step 1

Preheat oven to 350 degrees. Spray a 9x5x3 loaf pan with non-stick spray.

Step 2

Add the butter and sugars to a mixing bowl and mix until well combined.

Step 3

Beat in the egg, vanilla, banana, and sour cream.

Step 4

Stir in the flour, cocoa powder, baking soda, and salt.

Step 5

Pour mixture into prepared loaf pan.

Step 6

Sprinkle the top with chocolate chips and gently press them into the batter.

Step 7

Bake for 70 minutes or until a tester comes out clean. If you under bake this, the center will sink upon cooling.

Step 8

Let bread cool completely before cutting and serving.

Step 9

PLEASE NOTE: I baked this bread in a ceramic loaf pan. If you're using a glass or metal pan, your baking times may vary. Keep an eye on the bread and check with a tester before removing from the oven.