Preheat the Oven: Preheat the oven to 350°F (175°C) and grease a loaf pan.
Mix Dry Ingredients: In a bowl, whisk together flour, baking soda, and salt.
Mash Bananas: Mash the bananas with a fork in a separate bowl.
Combine Wet Ingredients: Add melted butter, sugar, eggs, and vanilla to the mashed bananas.
Add Dry Ingredients: Slowly mix in the dry ingredients, then stir in the sour cream and chocolate chips.
Make Coffee Syrup: Combine brewed coffee, brown sugar, butter, and vanilla in a saucepan, simmer for 5 minutes.
Assemble and Bake: Pour half of the batter into the loaf pan, drizzle with coffee syrup, add the rest of the batter, and bake for 55-60 minutes.
Cool and Serve: Let the bread cool before slicing, then enjoy!