By Elina 
This banana walnut bread recipe turns three overripe bananas into a loaf with a moist, tight crumb, a crackled golden top, and walnuts in every slice. It takes 15 minutes of hands-on work and about an hour in the oven, makes 10 slices, and the single thing that decides whether it comes out tender or dry is the bananas: they need to be mostly black on the outside and soft enough to mash with a fork, not just yellow and firm.
Everything else in the method protects that moisture. Melted butter instead of creamed butter keeps the crumb damp for days, a full cup of walnuts — half folded through, half pressed on top — gives crunch against the soft crumb, and the batter is mixed only until the flour disappears, because overmixing is what turns banana bread tough and rubbery.
The Ripeness Test That Decides This Loaf
Peel a banana and press it with a fork. If it collapses into a smooth pulp with almost no resistance, it is ready. If you have to force it, it is not, and no amount of extra sugar will make up for the starch that has not yet turned sweet. Bananas that look too far gone — black skins, soft to the touch — are exactly right, and the loaf in the photo was made from bananas at that stage.
If your bananas are still yellow, the honest fix is time, not a shortcut: seal them in a paper bag with an apple overnight. Microwaving them softens them without converting the starches, so the bread bakes up bland and oddly wet in the middle.
Ingredients
- 3 very ripe bananas (about 1 1/2 cups mashed)
- 1/2 cup (115 g) unsalted butter, melted and slightly cooled
- 3/4 cup (150 g) granulated sugar
- 1/4 cup (50 g) light brown sugar, packed
- 2 large eggs, room temperature
- 1 teaspoon vanilla extract
- 2 cups (250 g) all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon fine salt
- 1 teaspoon ground cinnamon
- 1 cup (115 g) chopped walnuts, divided
- Banana slices and walnut halves, for the top (optional)
How to Make Banana Walnut Bread
- Mash and whisk the wet ingredients. In a large bowl, mash the bananas with a fork until mostly smooth with a few small lumps left. Whisk in the melted butter, both sugars, the eggs and the vanilla until combined and glossy.
- Whisk the dry ingredients. In a second bowl, whisk the flour, baking soda, salt and cinnamon until evenly distributed, so no pocket of soda ends up in one slice.
- Fold, don’t beat. Pour the dry ingredients into the wet and fold with a spatula just until the flour disappears, then fold in 3/4 cup of the chopped walnuts. A few streaks are fine; a smooth, beaten batter is overmixed.
- Pan and top. Scrape the batter into a greased 9×5-inch loaf pan, smooth the top, and scatter over the remaining 1/4 cup of walnuts plus the banana slices and walnut halves if using. The topping toasts as the loaf bakes and tells you at a glance what is inside.
- Bake until the skewer tells the truth. Bake at 350°F (175°C) for 55–65 minutes, until the top is deep golden and cracked and a skewer in the center comes out with a few moist crumbs, not wet batter. If the top browns too fast, tent it loosely with foil for the last 15 minutes.
- Cool before slicing. Rest the loaf in the pan for 20 minutes, then turn it out onto a rack and cool for at least 30 minutes more. Slicing hot compresses the crumb and the slices fall apart; a cooled loaf cuts cleanly into 10 slices.
Why Banana Bread Sinks, Dries Out, or Stays Raw in the Middle
A sunken middle usually means the batter was overmixed or the loaf came out early: the structure set around air that then collapsed. A dry loaf almost always traces back to underripe bananas or an extra 10 minutes in the oven — pull it on moist crumbs, not a clean skewer. A raw stripe in the center with a dark crust means the oven runs hot; drop to 325°F (165°C) next time and tent with foil earlier.
Measure flour by spooning it into the cup and levelling it off. Scooping packs in up to a quarter-cup extra, and that alone can turn this loaf from moist to stodgy.
Storing and Freezing
Wrapped tightly, the loaf keeps 3 days at room temperature and a week in the fridge — the melted-butter crumb stays softer than a creamed-butter loaf after chilling. For longer storage, slice first, wrap slices individually, and freeze up to 3 months; toast straight from frozen. If you love make-ahead bakes, our Chocolate Peanut Clusters Recipe keeps just as well, and the Hawaiian Pineapple Cake Recipe is another fruit-led bake that slices cleanly from the fridge.
Frequently Asked Questions
Can I use frozen bananas?
Yes — thaw them fully, drain off only the excess liquid if there is more than a tablespoon or two, and mash as usual. Frozen-then-thawed bananas are usually even softer and sweeter than fresh ones.
Can I skip the walnuts?
Yes, the loaf works without them, but add 2 tablespoons of extra flour so the crumb is not too wet, and expect a softer, plainer slice. Pecans are the closest swap.
Why did my banana slices on top turn dark?
Banana slices darken in the oven — that is normal and they still taste caramelised and good. Brush them lightly with lemon juice before baking if you want them to stay pale.
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