01 - Preheat oven to 350°F. Grease and flour a 9x5-inch loaf pan or line with parchment paper.
02 - Combine instant coffee granules or espresso powder with hot water. Allow to cool slightly.
03 - In a large bowl, whisk together mashed bananas, melted butter, heavy cream, eggs, granulated sugar, vanilla extract, and dissolved coffee until homogeneous.
04 - In a separate bowl, whisk together all-purpose flour, baking soda, and salt.
05 - Add dry ingredients into wet mixture. Stir gently until just incorporated; avoid overmixing.
06 - Carefully fold in nuts and chocolate chips if using.
07 - Transfer batter to the prepared loaf pan, smoothing the surface evenly.
08 - Bake in the center of the oven for 50 to 55 minutes or until a toothpick inserted into the center emerges clean or with minimal moist crumbs.
09 - Let bread cool in pan for 10 minutes. Remove to wire rack and cool completely before slicing.