Making some banana bread to celebrate hitting 400 subscribers

Banana bread recipe
2 cups flour
1 teaspoon baking soda
1/2 cinnamon (optional)
1/2 butter or vegetable oil
3/4 cup brown sugar dark or light
2 eggs
1/3 sour cream or yogurt
2 cups or more bananas
1 teaspoon of vanilla
Nuts or chocolate chips (optional)
Add chocolate chips or sugar and cinnamon or nut on top (optional)