Baking
Easy Banana Loaf (The banana loaf with the blackest bananas)
Why This Recipe Works
- Heavily spotted bananas mash easily and bring stronger banana flavour and natural sweetness to the batter.
- Brown sugar and sour cream or plain yoghurt add moisture, helping the baked loaf keep a soft crumb rather than turning dry.
- Melted butter means there is no need to cream butter and sugar with an electric mixer before making the batter.
- Once the flour goes in, the batter only needs folding until the dry streaks disappear; keeping the mixing brief helps the finished loaf stay tender.
Pro Tip
Fold the flour in only until no dry streaks remain; the batter should stay thick and slightly lumpy. A natural crack along the top of the loaf is normal as it rises.
Equipment at a Glance
- 23 × 13cm (9 × 5-inch) loaf tin
- Baking parchment
- Two mixing bowls
- Whisk and rubber spatula
- Fork or potato masher
- Wire cooling rack
- Skewer for testing
At a Glance
- Prep
- 15 min
- Cook
- 1 hr
- Serves
- 10
- Difficulty
- Medium
Key Ingredient: 250g plain flour
Provides the structure of the loaf. Measure it accurately and avoid adding extra flour, which can make the crumb dry.
Introduction
The blacker the bananas, the better this loaf turns out — heavily spotted fruit mashes easily and brings real banana flavour along with natural sweetness. There's no electric mixer involved either: the butter is melted rather than creamed, so the whole batter comes together with a bowl, a whisk and a fork for mashing.
Allow about 15 minutes to prepare and 60 minutes to bake, around 1 hour 15 minutes in total. It makes 10 slices.
What You'll Need
Equipment
A 23 × 13cm loaf tin, lined with baking parchment, is what this recipe is built around.
Ingredients
For the batter
- 3–4 overripe bananas
- 113g unsalted butter, melted
- 150g brown sugar
- 2 large eggs
- 1 tsp vanilla extract
- 80g sour cream or plain yoghurt
For the dry mixture
- 250g plain flour
- 1 tsp bicarbonate of soda
- ½ tsp salt
- ½ tsp ground cinnamon (optional)
Sour cream or yoghurt adds moisture and a little acidity, which is what keeps the crumb soft rather than dry — don't be tempted to leave it out. Use bananas that are heavily spotted or fully black for the strongest flavour; a yellow banana with no spots will give a milder, less sweet loaf.
How to Make Easy Banana Loaf
Mash and Mix the Wet Ingredients
- Preheat the oven to 175°C (155°C fan) and line the loaf tin with baking parchment, leaving an overhang on the long sides.
- Place the peeled bananas in a large bowl and mash with a fork until mostly smooth, leaving a few small pieces if you like some texture.
- Add the eggs, melted butter, brown sugar, vanilla and sour cream or yoghurt to the mashed bananas. Whisk until evenly combined and glossy.
Mix and Fold in the Dry Ingredients
- In a separate bowl, whisk together the flour, bicarbonate of soda, salt and cinnamon.
- Fold the dry ingredients into the banana mixture in two additions, stopping as soon as no dry streaks of flour remain — the batter should stay thick and slightly lumpy, not smooth.
Bake and Cool
- Transfer the batter to the prepared tin and level the top. Tap the tin once on the worktop to release any large air pockets.
- Bake for 55–65 minutes, tenting loosely with foil after about 45–50 minutes if the top is browning too quickly.
- Insert a skewer into the centre; it should come out clean or with a few moist crumbs rather than wet batter.
- Leave the loaf in the tin for 10 minutes, then lift it out using the parchment and cool completely on a wire rack before slicing.
Tips for the Best Results
- Keep the batter thick and lumpy
- Overmixing once the flour goes in develops gluten quickly, which makes the loaf dense and rubbery rather than soft.
- Use the blackest bananas you have
- The riper the banana, the more natural sweetness and flavour it brings — don't throw out bananas just because they've gone fully black.
- Check with a skewer, not just the clock
- Ovens vary, so start testing the centre a few minutes before the stated time.
- Let it cool completely before slicing
- A warm loaf is softer and more likely to tear or compress when cut.
Troubleshooting
- The loaf sank in the middle. This usually means the centre wasn't fully set before it came out of the oven. Bake within the stated range and confirm doneness with a skewer before removing it.
- The crumb came out dense rather than soft. Overmixing once the flour is added is the most likely cause — fold only until no dry streaks remain.
- The top browned before the centre was done. Tent the loaf loosely with foil partway through baking next time, rather than waiting until it's already too dark.
How to Store and Freeze Easy Banana Loaf
Let the loaf cool completely before storing. Keep it well wrapped at room temperature for up to 3 days — the texture often settles and improves slightly by the next day. Refrigeration tends to dry the crumb out, so for longer storage, slice the cooled loaf and wrap individual slices tightly in cling film or foil, then freeze for up to 3 months. Thaw at room temperature or warm gently in a toaster before serving.
Substitutions and Variations
- Add-ins
- fold in up to 75g chopped walnuts, pecans or dark chocolate chips with the dry ingredients.
- Extra spice
- pair the cinnamon with a small pinch of ground cardamom for a warmer, more spiced loaf.
- Gluten-free
- a 1:1 gluten-free baking flour blend may work in place of the plain flour, though the texture will differ from the original.
Frequently Asked Questions
- Can I use frozen bananas for this?
- Yes. Thaw them completely before mashing. If they release more watery liquid than usual, use the batter's normal thick, lumpy consistency as your guide rather than adding everything automatically.
- Why did my banana loaf sink in the middle?
- Usually because the centre hadn't fully set before the loaf came out of the oven. Bake within the stated range and check with a skewer before removing it.
- Why use sour cream or yoghurt in banana bread?
- It adds moisture and natural acidity, which helps keep the crumb soft and tender rather than dry.
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