Double Chocolate Strawberry Banana Muffins Step-by-step instructions

Before you start

Before starting, measure all ingredients and bring eggs and sour cream to room temperature for easier mixing. Preheat the oven to 425°F (220°C) and line a 12-cup muffin tin with paper liners.

Dice the strawberries and set aside. Have all dry ingredients measured and ready to sift. This recipe comes together quickly, so having everything prepared in advance makes the process smooth and enjoyable.

Instructions

Mixing the Batter

1. 1Prepare the wet ingredients
   Heat the oven to 425°F (220°C). Line a 12-cup muffin tin with paper liners. In a large bowl, mash the ripe bananas with a fork until mostly smooth. Whisk in the eggs, melted butter, oil, granulated sugar, brown sugar, maple syrup, vanilla extract, and sour cream until the mixture is silky and well combined.
   Look for The mixture should be glossy and smooth, with no streaks of egg or butter.
   Tip Use very ripe bananas with brown spots for the most flavor and natural sweetness.
2. 2Mix the dry ingredients
   In a separate bowl, sift together the all-purpose flour, cocoa powder, baking powder, baking soda, espresso powder, and salt. Whisk to combine evenly. Add the dry ingredients to the wet mixture and fold with a spatula until just a few streaks of flour remain. Do not overmix.
   Look for The batter should be thick and slightly lumpy, with no pockets of dry flour.
   Tip Sifting the cocoa removes lumps and ensures a smooth, fudgy crumb.
3. 3Fold in the add-ins
   Gently fold the chocolate chips and diced strawberries into the batter until evenly distributed. The batter will be thick and chunky.
   Look for Chocolate chips and berry pieces should be scattered throughout the batter.
   Tip Toss the strawberries in a little flour before folding to keep them from sinking.

The wet mixture should be silky and smooth, with no lumps of banana. After adding the dry ingredients, the batter should be thick and slightly lumpy, with no streaks of flour. The add-ins should be evenly distributed, and the batter should look glossy and rich.

Baking to Perfection

4. 4Fill the muffin cups
   Scoop the batter into the prepared muffin tin, filling each cup about three-quarters full. Top each muffin with extra chocolate chips and a few strawberry slices, pressing them lightly into the surface.
   Look for The cups should be evenly filled, with toppings visible on top.
   Tip Use a cookie scoop for clean, even portions.
5. 5Bake at high heat
   Place the muffin tin in the oven and bake at 425°F (220°C) for 5 minutes. This initial high heat helps create a tall, domed top.
   Look for The tops will begin to rise and the kitchen will smell like chocolate.
   Tip Do not open the oven door during this time to keep the heat steady.
6. 6Lower the heat and finish baking
   Reduce the oven temperature to 375°F (190°C) and continue baking for 15 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs. The tops should spring back when lightly pressed.
   Look for The muffins will be puffed and the tops will look set, not shiny.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip Check at 14 minutes if using a dark pan, as it bakes faster.

During the first 5 minutes at high heat, the muffins will rise dramatically. After lowering the temperature, they will continue to bake and the tops will turn a deep golden brown.

The kitchen will smell intensely of chocolate and fruit. The tops should look set and spring back when touched.

Cooling and Serving

7. 7Cool in the pan
   Remove the muffin tin from the oven and let the muffins cool in the pan for 5 minutes. Then transfer them to a wire rack to cool completely. The internal temperature of the muffins should reach 160°F (71°C) to ensure the eggs are fully set.
   Look for The muffins will release easily from the liners.
   Safe temperature 160°F (71°C) internal temperature (egg dishes)
   Tip Cooling on a rack prevents soggy bottoms.
8. 8Serve and enjoy
   Serve the muffins warm or at room temperature. For the ultimate experience, split one open while warm to see the molten chocolate and juicy berries.
   Look for The crumb is fudgy and the chocolate is melty.
   Tip Warm leftovers briefly in the microwave for a fresh-baked feel.

After cooling in the pan for 5 minutes, the muffins should release easily from the liners. The tops should be domed and slightly cracked, revealing the fudgy interior. When split, the crumb should be moist and tender, with visible pockets of melted chocolate and soft berries.

Common mistakes

Overmixing the batter can develop gluten, leading to tough, dense muffins. Mix just until the flour disappears. Filling the cups too full can cause overflow, while underfilling yields flat muffins.

Use about three-quarters full. Also, opening the oven door during the first 5 minutes of baking can cause the muffins to deflate. Keep the oven closed until it's time to lower the temperature.

How to tell it’s done

The muffins are done when a toothpick inserted into the center comes out with a few moist crumbs, not wet batter. The tops should spring back when lightly pressed.

For food safety, the internal temperature of the muffins should reach 160°F (71°C) to ensure the eggs are fully set. If the tops are browning too quickly, tent loosely with foil.

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