Step 1

Preheat oven to 350 degrees Fahrenheit. Grease a 4x8 inch loaf pan. Set aside.

Step 2

Place butter in a large microwavable dish and place in microwave to melt. Use 30 second increments until butter is fully melted.

Step 3

Add in ripe bananas and mash with a fork, ensure that butter coats the bananas.

Step 4

Add baking soda, salt, brown sugar, sour cream, cinnamon, vanilla extract, and large egg to bowl. Stir to combine. Stir in the flour.

Step 5

Pour batter into greased loaf pan. Bake in preheated oven on center rack for 50 minutes to 1 hour, or until a toothpick entered in the center comes out clean.

Step 6

Remove from oven and allow bread to cool in pan for about 5 minutes. Then place on cooling rack to allow to cool completely. Enjoy :)