Cinnamon Sugar Swirl Banana Bread

The smell of cinnamon sugar hitting hot banana bread batter might be one of the most comforting aromas to ever come out of my oven. I discovered this swirl technique completely by accident when I ran out of walnuts mid-mix and improvised with what was sitting on my counter.

My sister-in-law walked in during the baking process and actually stood by the oven inhaling deeply, then refused to leave until that first slice was ready. Now she requests it every time she visits.

Ingredients

• 3 ripe bananas, mashed: The blacker and uglier the peels, the sweeter and more flavorful your bread will be
• 115 g (½ cup) unsalted butter, melted: Use room temperature butter so it incorporates smoothly without cooling your eggs too quickly
• 150 g (¾ cup) granulated sugar: This creates the perfect balance of sweetness without overshadowing the banana flavor
• 2 large eggs: Room temperature eggs will blend more easily into the batter for better texture
• 1 tsp vanilla extract: Pure vanilla makes a noticeable difference in the final flavor depth
• 240 g (2 cups) all-purpose flour: Sifted flour prevents lumps and keeps the bread tender
• 1 tsp baking soda: This is your primary leavening agent, so make sure its fresh
• ½ tsp salt: A little salt balances the sweetness and enhances all other flavors
• 60 g (⅓ cup) granulated sugar: Reserved for the cinnamon swirl layer
• 2 tsp ground cinnamon: The warm spice that creates that beautiful ribbon throughout the loaf

Instructions

Preheat and prepare your pan:

Set your oven to 175°C (350°F) and generously grease a 23 x 13 cm (9 x 5 inch) loaf pan, then dust with flour for easy release

Mix the wet ingredients:

Whisk mashed bananas and melted butter in a large bowl until mostly smooth, then add sugar, eggs, and vanilla, mixing until combined

Combine the dry ingredients:

Sift flour, baking soda, and salt in a separate bowl, then gently fold into the wet mixture just until no flour streaks remain

Prepare the swirl mixture:

Mix 60 g granulated sugar with 2 tsp cinnamon in a small bowl until evenly combined

Layer and swirl:

Spread half the batter in your prepared pan, sprinkle with half the cinnamon sugar, add remaining batter, then top with remaining cinnamon sugar

Create the marble effect:

Run a knife through the batter in a gentle figure-eight pattern just once or twice to create those beautiful ribbons without overmixing

Bake to perfection:

Bake for 50 to 60 minutes until a toothpick inserted in the center comes out clean

Cool completely:

Let the bread rest in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing

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This recipe became my go-to for new neighbors and sick friends after I brought a loaf to a neighbor who was recovering from surgery. She texted me three days later asking for the recipe, saying it was the only thing she actually wanted to eat.

Making It Your Own

Sometimes I toss in chopped pecans or walnuts for crunch, and they nestle perfectly into the cinnamon swirl pockets. You can also swap half the white sugar for brown sugar to add a deeper, molasses-like flavor.

Storage And Serving

This bread stays incredibly moist for up to three days when wrapped tightly at room temperature. I actually think it tastes better on day two when the cinnamon sugar has had time to meld with the banana flavor.

Perfect Pairings

A warm slice with a melting pat of butter is pretty much perfection on its own. But if you want to elevate it further:

• Serve with a cup of strong coffee in the morning
• Try it toasted with cream cheese for an afternoon snack
• Top with a scoop of vanilla ice cream for dessert

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Theres something deeply satisfying about pulling this golden loaf from the oven and watching the steam rise off that first warm slice.

Recipe FAQ

→ How do I know when the bread is done baking?

Insert a toothpick into the center of the loaf. If it comes out clean or with just a few moist crumbs, your bread is ready. The top should be golden brown and firm to the touch.

→ Can I use frozen bananas?

Yes, frozen bananas work perfectly. Thaw them completely before mashing, and drain any excess liquid that accumulates during thawing for the best texture.

→ Why is my banana bread dense?

Overmixing the batter can create a dense texture. Mix just until the dry ingredients are incorporated—some small lumps are fine. Also ensure your baking soda is fresh.

→ How should I store this bread?

Wrap cooled bread tightly in plastic wrap or store in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate for up to a week or freeze sliced portions.

→ Can I reduce the sugar in this recipe?

You can reduce the white sugar in the batter by 25-50%, though this may affect texture and browning. For the swirl, use the full amount to maintain the beautiful marbled effect.

→ What makes the cinnamon swirl pattern?

Layering half the batter, then cinnamon sugar, then remaining batter, and gently running a knife through the layers creates the marbled swirl. Don't over-swirl or you'll lose the distinct pattern.