Insanely Fudgy Double Chocolate Banana Bread Step-by-step instructions

Before you start

Before starting, preheat the oven to 350°F (175°C) and position a rack in the center. Line a 9x5-inch loaf pan with parchment paper, leaving enough overhang on two sides to lift the bread out later.

Gather all ingredients and measure them out. Make sure the bananas are ripe and the butter is melted and slightly cooled. This preparation ensures a smooth, efficient baking process.

Instructions

Mixing the Batter

1. 1Mash and mix wet ingredients
   Preheat the oven to 350°F (175°C). Line a 9x5-inch loaf pan with parchment paper, leaving overhang on two sides. In a large bowl, mash the ripe bananas with a fork until mostly smooth. Add the melted butter, granulated sugar, brown sugar, egg, sour cream, and vanilla bean paste. Whisk until the mixture is silky and well combined.
   Look for The wet mixture should be glossy and free of lumps.
   Tip Use very ripe bananas with brown spots for maximum sweetness and banana flavor.
2. 2Combine dry ingredients
   In a separate bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking soda, and salt. Ensure there are no cocoa lumps. This dry mixture will be added to the wet ingredients in the next step.
   Look for The dry mixture should be uniform in color with no streaks of cocoa.
   Tip Sifting the cocoa powder can help remove lumps if needed.

At this point, you should have a smooth, glossy wet mixture and a uniform dry mixture. When combined, the batter will be thick, fudgy, and slightly lumpy.

The chocolate chips should be evenly distributed without being crushed. The batter should smell of bananas and chocolate, and it should be ready to pour into the pan.

Assembling the Loaf

3. 3Fold dry into wet
   Add the dry ingredients to the wet mixture. Use a spatula or spoon to fold gently until just combined. Do not overmix; a few streaks of flour are okay. The batter will be thick and fudgy.
   Look for The batter should be thick, glossy, and slightly lumpy.
   Tip Overmixing can develop gluten and make the bread tough.
4. 4Add chocolate chips
   Gently fold in 3/4 cup of the semi-sweet chocolate chips, reserving the remaining 1/4 cup for topping. Stir until the chips are evenly distributed throughout the batter.
   Look for The chips should be evenly dispersed without being crushed.
   Tip If the chips are large, chop them slightly for better distribution.
5. 5Transfer to loaf pan
   Pour the batter into the prepared loaf pan and spread it evenly with a spatula. Sprinkle the remaining 1/4 cup chocolate chips over the top, pressing them gently into the surface.
   Look for The top should be level with chocolate chips peeking through.
   Tip Pressing the chips lightly prevents them from burning during baking.

After pouring the batter into the pan, the top should be level, and the chocolate chips should be visible and slightly pressed in. The batter should hold its shape and not be too runny. The pan should be filled about three-quarters full. The kitchen will smell of chocolate and banana as the loaf goes into the oven.

Baking and Cooling

6. 6Bake the bread
   Bake in the preheated oven for 55 to 65 minutes, until a toothpick inserted into the center comes out with moist fudgy crumbs, not wet batter. The internal temperature of the bread should reach 200°F (93°C) for a fully baked center.
   Look for The top will be cracked and the edges will pull away from the pan slightly.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip If the top browns too quickly, tent loosely with foil halfway through.
7. 7Cool in pan
   Remove the loaf from the oven and let it cool in the pan on a wire rack for 10 minutes. This allows the structure to set before removing. After 10 minutes, lift the bread out using the parchment overhang and transfer to the rack to cool completely.
   Look for The loaf should be firm enough to lift without breaking.
   Tip Don't skip the cooling time in the pan; it helps the bread hold its shape.
8. 8Slice and serve
   Slice the bread with a serrated knife for clean cuts. Serve warm or at room temperature. The chocolate chips will be molten if served warm, and the crumb will be fudgy and moist.
   Look for The interior should be dark, moist, and studded with melted chocolate.
   Tip Warm slices are especially decadent with a scoop of vanilla ice cream.

The loaf will rise and crack on top, and the edges will pull away from the pan. A toothpick inserted into the center should come out with moist crumbs, not wet batter. The internal temperature should reach 200°F (93°C). After cooling in the pan for 10 minutes, the loaf should lift out cleanly and feel firm but springy.

Common mistakes

One common mistake is overmixing the batter, which develops gluten and results in a tough, dry loaf. Mix until just combined, leaving a few streaks of flour. Another mistake is using cold ingredients, which can cause the batter to seize.

Make sure the butter is melted and the eggs and sour cream are at room temperature. Finally, don't open the oven door during the first 30 minutes of baking, as the temperature fluctuation can cause the bread to sink.

How to tell it’s done

The bread is done when a toothpick inserted into the center comes out with moist fudgy crumbs, not wet batter. The top should be cracked and the edges should pull away from the pan slightly.

For extra assurance, the internal temperature should read 200°F (93°C) in the center. If the top browns too quickly, tent loosely with foil. Let cool in the pan for 10 minutes before transferring to a wire rack.

• Egg dishes: 160°F (71°C) in the thickest part