Black Sesame Matcha Banana Bread
This is banana bread that stopped people mid-scroll before it even had a name. The dramatic swirl of deep black sesame and vivid matcha green running through a golden banana bread crumb is one of the most visually striking things you can pull out of a loaf pan — and it tastes just as extraordinary as it looks. The black sesame brings a nutty, slightly bitter depth that plays beautifully against the sweetness of the banana. The matcha adds a grassy, floral note that cuts through the richness. Together with the caramel warmth of dark brown sugar and the tang of yogurt they create a loaf that is completely unlike anything else.
This recipe was developed out of wanting to push banana bread somewhere unexpected. Somewhere that felt both deeply personal and visually arresting. This is that place.
Why You'll Love This Banana Bread
The swirl is everything — the black sesame and matcha swirled through the batter creates a dramatic, marbled interior that looks like it came from a professional bakery. Every single slice is different.
Three distinct flavours in one loaf — plain banana, earthy matcha and nutty black sesame. Each one distinct but working together perfectly.
Black sesame is deeply underused in Western baking — its flavour is complex, slightly bitter, intensely nutty and completely addictive. Once you use it you will find excuses to put it in everything.
No dark chocolate — this loaf lets the matcha and black sesame be the stars. Nothing competes with them.
Uses ingredients you might already have — black sesame powder is widely available at Asian grocery stores and online. Matcha is increasingly in most supermarkets.
Stays moist for days — the combination of yogurt, butter and very ripe bananas means this loaf gets better on day 2 and day 3.
One full sized loaf — not minis this time. The swirl needs the full loaf format to show its full dramatic effect when sliced.
Ingredients You Need
Full ingredients with measurements are in the recipe card below.
Very ripe bananas — black spotted or completely black is ideal. The riper the banana the sweeter and more flavourful. The natural sweetness of the banana is what allows the black sesame and matcha to come through clearly — under-ripe bananas make a bland loaf that does not balance the other flavours properly.
Dark brown sugar — packed tightly into the measuring cup. The molasses adds moisture and a deep caramel flavour that provides a warm backdrop for both the matcha and black sesame. Do not substitute light brown or white sugar — the depth of flavour matters here.
Matcha powder — use a good quality culinary grade matcha. Cheap matcha is yellow-green and tastes bitter and dusty. A quality culinary matcha is vibrant green and has a grassy, slightly sweet, floral flavour. The colour of your swirl depends entirely on the quality of your matcha. Start with 1.5 tbsp — this gives a clear matcha flavour without overpowering.
Black sesame powder — if you cannot find black sesame paste, mix 3–4 tbsp of black sesame powder with ½ to 1 tbsp of coconut oil until it forms a smooth paste. The coconut oil binds the powder and carries the flavour through the batter. If you have ready-made black sesame paste use 3 tbsp directly. The flavour is nutty, slightly bitter and intensely aromatic.
Yogurt — Fage 0% works perfectly here. The acidity reacts with the baking soda to help the loaf rise and adds incredible moisture. Sour cream and mascarpone are direct substitutes in equal quantities.
Salted butter — room temperature so it creams properly with the sugar. The salt in the butter enhances all three flavour components — banana, matcha and black sesame — and balances the sweetness of the dark brown sugar.
All purpose flour — the base structure. Spoon into the measuring cup and level off — never scoop directly or you add too much flour and get a dense loaf.
Baking soda — reacts with the acidity in the yogurt and bananas to leaven the loaf. Make sure yours is fresh — baking soda loses potency over time and old baking soda is one of the most common causes of dense banana bread.
Tips for Making Black Sesame Matcha Banana Bread
Use the ripest bananas you have — black spotted or fully black. Freeze overripe bananas in their skins and thaw when needed. Freezing breaks down the starches and makes them even sweeter and more flavourful.
Make your black sesame paste properly — if using powder, the coconut oil is essential. Dry powder alone will not distribute evenly through the batter and can create gritty pockets. Mix thoroughly until smooth before folding into the batter.
Divide the batter as evenly as possible — three equal portions means each flavour gets equal representation in the swirl. Use a kitchen scale if you have one for accuracy.
Do not overmix after dividing — fold the matcha and black sesame paste into their respective portions gently. Overmixing at this stage develops gluten and makes the loaf tough.
Alternate the scoops — one scoop of plain, one of matcha, one of black sesame, then repeat. This layering is what creates the dramatic swirl effect rather than just stripes.
The swirl technique matters — insert your knife, chopstick or skewer and make slow, deliberate S-shaped movements through the batter. Two or three passes is enough. Too many passes blends the colours into a muddy grey-green rather than distinct swirls.
Do not swirl all the way to the edges — keeping the swirl to the center of the loaf preserves clean definition in the outer slices.
250°F is a low and slow bake — this is intentional. The lower temperature allows the loaf to cook all the way through without the matcha or black sesame burning or turning bitter on the surface. Check at 60 minutes — every oven is different.
The toothpick test is your friend — insert in the very center. Moist crumbs are fine, wet batter means it needs more time. The loaf should also spring back at a gentle touch on the top.
Cool completely before slicing — this loaf is particularly worth the wait. The swirl definition is much cleaner in a fully cooled loaf and the flavours settle and integrate beautifully as it cools.
Slice with a sharp knife — a serrated bread knife gives the cleanest slices and shows off the swirl best. Wipe the blade between cuts for the most dramatic presentation.
How to Store
Room temperature: Wrap tightly in plastic wrap or store in an airtight container for up to 3 days. The flavours deepen and improve on day 2.
Refrigerator: Up to 5 days in an airtight container. Bring to room temperature before eating — cold banana bread loses some of its texture.
Freezer: Slice the completely cooled loaf, wrap individual slices in plastic wrap and freeze for up to 3 months. Thaw at room temperature or toast lightly from frozen.
Make ahead: This loaf is an excellent candidate for making a day ahead — the flavours integrate beautifully overnight and the swirl looks even more dramatic the next day.
Recipe
Prep Time: 20 mins · Bake Time: 60–70 mins · Total Time: 1.5 hours + cooling · Yield: 1 full loaf · Serves: 10–12 slices
Ingredients
For the Banana Bread Base
Avocado oil spray for greasing
1½ cups (188g) all purpose flour
1¼ tsp baking soda
¼ tsp salt
1 cup (200g) dark brown sugar, packed
⅓ cup 0% fat Fage yogurt or Epigamia (available in India)
4 tbsp salted butter, room temperature
2 large eggs
4 large very ripe bananas, peeled and mashed (about 1½ cups)
⅛ cup whole or skim milk
For the Matcha Portion
1.5 tbsp good quality culinary matcha powder
For the Black Sesame Portion
3 tbsp black sesame paste
OR 3–4 tbsp black sesame powder mixed with ½–1 tbsp coconut oil until smooth
Instructions
Prepare the Loaf Pan
Preheat oven to 250°F. Coat a full sized loaf pan with avocado oil spray and line with parchment paper, leaving overhang on the long sides for easy removal.
Make the Batter
In a medium bowl whisk together flour, baking soda and salt. Set aside.
In a large bowl beat the dark brown sugar, yogurt and butter until light and fluffy, about 3–4 minutes.
Add the eggs one at a time, beating after each addition.
Add the dry ingredients and mix until just combined.
Add the mashed bananas and milk and mix until just combined. Do not overmix.
Divide and Flavour
Divide the batter evenly into three equal portions.
Into the first portion fold the matcha powder gently until fully combined and the batter is an even green colour.
Into the second portion fold the black sesame paste until fully combined and the batter is a deep grey-black colour.
Leave the third portion as plain banana bread batter.
Assemble the Swirl
Using an ice cream scoop or large spoon, alternate scoops of each batter into the prepared loaf pan — one scoop plain, one scoop matcha, one scoop black sesame. Repeat until all the batter is in the pan.
Insert a knife, chopstick or thin skewer into the batter and make slow deliberate S-shaped movements through the batter two or three times to create the swirl. Do not over-swirl or the colours will blend together.
Bake
Bake at 250°F for 60–70 minutes until a toothpick inserted in the center comes out clean and the top springs back at a gentle touch. Check at 60 minutes.
Remove from the oven and cool in the pan for 15 minutes.
Use the parchment overhang to lift out of the pan and transfer to a wire rack. Cool completely before slicing — at least 1 hour.
Notes
Black sesame paste substitute: Mix 3–4 tbsp black sesame powder with ½–1 tbsp coconut oil until smooth. The coconut oil is essential — do not use dry powder alone.
Matcha quality: Use a good quality culinary matcha for the best colour and flavour. Cheap matcha turns yellow-green and tastes dusty.
Swirl technique: Two or three passes with a knife is enough. More than that blends the colours into grey-green. Less is more.
Storage: Room temperature up to 3 days, refrigerator up to 5 days, freezer up to 3 months sliced.
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