I had three bananas going black on the counter and no sour cream, no yogurt, no cottage cheese. Those are my usual answers for keeping banana bread moist, and I had none of them.
So this one leans on the bananas instead, three of them, plus melted butter. Banana bread with streusel topping, one bowl, and a brown sugar crumb on top that goes crisp as it cools. If you do have cottage cheese in the fridge, my cottage cheese banana bread is the other way I make it.
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Why This Banana Bread Just Works
- No sour cream, yogurt, or buttermilk. Most banana bread recipes lean on one of those for moisture. This one uses three overripe bananas and melted butter instead, which means you can make it without a trip to the store.
- Three bananas, not two. More banana than most recipes call for, which is where the moisture and the flavor both come from. It's also the answer to what to do when you have three going black at once.
- The streusel goes crisp as it cools. Brown sugar, flour, butter, and cinnamon on top. Warm from the oven it's soft, but give it an hour and you get a proper crunchy lid over a soft loaf.
- One bowl. Melted butter instead of creamed, so there's no mixer and nothing to soften first. Whisk, fold, pour.
- Works as muffins too. Same batter in a muffin tin, about 20 to 25 minutes, streusel on top the same way.
How Ripe Should the Bananas Be?
Heavily spotted at minimum, mostly black is better. If the peel still shows yellow, the banana isn't sweet enough yet and won't mash smoothly. As bananas ripen the starch turns to sugar, which is where both the flavor and the moisture come from, so a firm yellow one gives you a dry loaf that barely tastes of banana.
In a hurry? Bake them unpeeled at 300°F for 15 to 20 minutes, until the skins go black and shiny. Cool before peeling. Not quite the same as natural ripening, but close enough.
Not baking today? Freeze them whole in the peel. Thaw on the counter and they slip out already mushy, liquid and all, straight into the batter.
Ingredients
Quantities and full instructions are in the recipe card below.
- All-purpose flour: Spoon it into the cup and level it off rather than scooping. Packed flour is the most common reason banana bread comes out dry and dense.
- Baking powder and baking soda: Both, because they do different jobs. The soda reacts with the acidity in the bananas, the powder gives you a second lift in the oven. Check that neither is past its date, since old leavening gives you a flat, heavy loaf.
- Salt: Half a teaspoon. Without it the whole thing tastes flatly sweet and the banana doesn't come through.
- Melted butter: Melted, not softened, which is why there's no mixer and no creaming step. It also gives a denser, moister crumb than creamed butter does.
- White sugar: Sweetness and moisture, since sugar holds onto water in the batter. Brown sugar works too and gives a deeper, more caramel flavor.
- Eggs: Structure and richness. Room temperature blends more evenly into melted butter.
- Three overripe bananas: More than most recipes call for, and it's why this one doesn't need sour cream or yogurt. Heavily spotted to mostly black, mashed until mostly smooth with a few lumps left for texture.
- Cinnamon and nutmeg: A little of each. They don't make it taste spiced, they just make the banana read more like banana.
Streusel Topping
- All-purpose flour: The structure. Without it you'd have wet sugar that melts into the batter instead of a crumb that sits on top.
- Brown sugar: Sweeter and deeper than white, and the molasses in it is what gives the streusel that caramel edge. Light or dark both work, dark is more pronounced.
- Cinnamon: Half a teaspoon. It's what makes the top taste like coffee cake rather than just sweet.
- Cold salted butter: Cold matters here. Cut it into the dry ingredients with a fork or your fingertips until you have pea-sized clumps. Softened butter gives you a paste that spreads and sinks, melted butter sinks faster still. The salt is worth having against all that brown sugar, but unsalted plus a pinch works the same.
Substitution and Additions
- No butter? Melted coconut oil or a neutral oil like vegetable both work, since the butter is melted anyway. You lose the buttery flavor, and coconut oil adds a faint coconut note that most people don't mind here.
- Brown sugar instead of white. Deeper and more caramel, and it makes the loaf slightly moister since brown sugar holds more water. Straight swap, same amount.
- Only have two bananas? Add a couple of tablespoons of milk or yogurt to make up the moisture. Or use my chocolate chunk banana bread, which is built for two.
- Whole wheat flour. Swap half, not all. Going fully whole wheat makes it noticeably heavier and drier, and with only three bananas holding it together you'll feel the difference.
- Dairy-free. Coconut oil in both the loaf and the streusel, and a plant butter works too. Everything else is already dairy-free.
How to Make Streusel Topping
Streusel is four ingredients and one decision: how cold your butter is.
Cold butter cut into the flour, brown sugar, and cinnamon gives you sandy, pebbly crumbs. Work it with a fork or your fingertips until you have pieces from breadcrumb-sized up to pea-sized, and stop there. This is what I do and it's what you see in the photos.
Softened butter gives you bigger, clumpier crumbs that hold together more. Some people prefer it. Melted butter turns the whole thing into a paste, and paste sinks straight into the batter.
Sprinkle it on right before the pan goes in the oven, not while the batter is resting. Streusel sitting on wet batter starts absorbing moisture, which is how it ends up buried instead of on top.
If yours sinks anyway, the streusel was too wet or your batter was too thin. Add a spoonful more flour to the streusel next time and squeeze a few pieces together so they're chunkier. Bigger crumbs sit on the surface, fine ones sink.
You can make it ahead. It keeps in an airtight container in the fridge for a week and in the freezer for three months. Use it straight from cold, no need to bring it to room temperature.
How to Make Banana Bread with Streusel
- Heat the oven to 350°F. Grease a loaf pan and line it with parchment, leaving an overhang on the long sides so you can lift the loaf out later.
- Mash the bananas. Three overripe ones, mashed with a fork until mostly smooth. Leave a few small lumps rather than pureeing, so you get banana in the bite.
- Whisk the wet ingredients. Melted butter, sugar, and eggs until combined, then fold in the mashed bananas. Let the butter cool slightly first if it just came off the heat, so it doesn't cook the eggs.
- Add the dry ingredients. Flour, baking soda, baking powder, salt, cinnamon, and nutmeg. Stir until the flour streaks just disappear and stop. Overmixing develops gluten and gives you a tough, tunnelled loaf.
- Pour into the pan and smooth the top.
- Top with streusel. Sprinkle it over the batter right before the pan goes in the oven, spreading it to the edges. Don't press it down, the crumbs should sit on the surface.
- Bake 50 to 60 minutes. Start checking at 50. A skewer in the center should come out with a few moist crumbs, not wet batter. If the streusel is browning faster than the loaf is baking, tent it loosely with foil.
- Cool in the pan 15 minutes, then lift it out and cool completely on a rack. Slicing warm gives you a gummy crumb, and the streusel doesn't crisp up until it's fully cool.
Variations
- Chocolate chip. Half a cup folded in at the end. Toss them in a spoonful of the flour first so they don't all sink to the bottom. If you want a fuller version, my chocolate chunk banana bread is built around it.
- Nutty. Half a cup of chopped walnuts or pecans, folded in or scattered over the streusel before baking. Toast them first if you have five minutes, it makes a real difference.
- Banana muffins. Same batter, muffin tin lined or greased, streusel on top the same way. About 20 to 25 minutes at 350°F. You get more streusel per bite this way, which is either the point or a problem depending on who you ask.
- Extra streusel. Double the topping and layer half of it through the middle of the batter, then the rest on top. It's the coffee cake version and it's very good.
- Gluten-free. A 1:1 gluten-free flour blend in both the loaf and the streusel. Let the batter sit 10 minutes before baking so the flour hydrates, otherwise it can come out gritty.
Storing & Freezing
- Cool it completely first. Wrapping a warm loaf traps steam, which softens the streusel and makes the whole thing damp. Wait until it's fully at room temperature.
- Room temperature, 2 to 3 days. Airtight container or wrapped in foil. The streusel softens a little after the first day, which is the trade-off with any crumb topping.
- Skip the fridge. It dries banana bread out faster than the counter does, and there's nothing gained unless your kitchen is very warm. If you do refrigerate, wrap it tightly and expect a firmer, drier crumb.
- Freezer, 3 months. Wrap the whole cooled loaf in plastic and then foil, or slice it first and freeze the slices with parchment between them. Slices are more useful, since you can pull out one at a time.
- To thaw, leave it on the counter still wrapped so the condensation forms on the outside rather than in the bread. A frozen slice goes straight into the toaster oven for a few minutes, which also re-crisps the streusel.
- Warming it up. A slice in a 300°F oven for 5 to 10 minutes brings the streusel back close to fresh. The microwave warms it through but leaves the top soft.
Rose's Tips
- Don't overmix. Stop the second the flour streaks disappear. Every extra stir develops gluten, and gluten in a quick bread means a tough loaf with tunnels running through it. Lumpy batter is fine.
- Measure the flour properly. Spoon it into the cup and level it off with a knife. Scooping straight from the bag packs in up to a quarter more flour than the recipe wants, and that's the most common reason banana bread comes out dry.
- Cold butter for the streusel. Cut it in with a fork until you have pea-sized crumbs. Softened butter clumps, melted butter sinks into the batter and disappears.
- Streusel on last, right before it bakes. Sitting on wet batter, it starts absorbing moisture and works its way down. Sprinkle and go straight into the oven.
- Check at 50 minutes, not 60. A skewer should come out with a few moist crumbs clinging to it. Clean means you've gone slightly too far, and a quick bread carries on cooking for a minute or two after it comes out.
- Let it cool all the way. Fifteen minutes in the pan, then out onto a rack until completely cool. Warm banana bread slices gummy, and the streusel doesn't set into a crisp lid until the loaf is cold.
Recipe FAQs
Two usual causes. The streusel was too wet, from butter that was softened or melted rather than cold, so it behaved like a paste instead of crumbs. Or it sat on the batter while you did something else and started absorbing moisture. Use cold butter, squeeze some of the crumbs into pea-sized pieces, and sprinkle it on right before the pan goes into the oven.
You can, but add a couple of tablespoons of milk or yogurt to make up the moisture the third banana would have brought. Three is what this loaf is built around.
Heavily spotted at minimum, mostly black is better. If there's still yellow showing, they aren't sweet enough and won't mash smoothly. In a hurry, bake them unpeeled at 300°F for 15 to 20 minutes until the skins go black, then cool before peeling.
Cold, cut in with a fork until you have pea-sized crumbs. That gives you the sandy, pebbly texture that sits on top. Softened butter makes bigger clumps, and melted butter turns it into a paste that sinks.
Usually too much flour. Spoon it into the measuring cup and level it off rather than scooping straight from the bag, which packs in noticeably more. The other cause is overbaking, so start checking at 50 minutes and pull it when a skewer comes out with a few moist crumbs rather than clean.
Right before it goes in the oven. Any earlier and it starts working its way into the batter.
Yes. Same batter and same streusel, about 20 to 25 minutes at 350°F. You get more streusel per bite that way.
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Banana Bread with Streusel Topping
Equipment
- 1 loaf pan 9x5 inch
Ingredients
- 1½ cup All-purpose flour 220 grams
- 2 teaspoon Baking powder
- ¼ teaspoon Baking soda
- ½ teaspoon Salt
- ⅓ cup unsalted butter melted
- ⅔ cup White sugar
- 2 large Eggs
- 3 large bananas mashed
- 1 teaspoon Cinnamon
- ¼ teaspoon Nutmeg
Streusel Topping
- 3 tablespoon All purpose flour
- ¼ cup brown sugar
- ½ teaspoon Cinnamon powder
- 2 tablespoon Salted butter cold
Instructions
For the streusel
- Make the streusel first. Combine the flour, brown sugar, and cinnamon in a small bowl. Cut in the cold butter with a fork or your fingertips until you have crumbs ranging from breadcrumb to pea-sized. Set aside.3 tablespoon All purpose flour, ¼ cup brown sugar, ½ teaspoon Cinnamon powder, 2 tablespoon Salted butter
For the bread
- Heat the oven to 350°F. Grease a 9x5 loaf pan and line it with parchment, leaving an overhang on the long sides.
- Mash the bananas with a fork until mostly smooth, leaving a few small lumps.3 large bananas
- Whisk the wet ingredients. Melted butter, sugar, and eggs until combined, then fold in the mashed bananas.⅓ cup unsalted butter, ⅔ cup White sugar, 2 large Eggs, 3 large bananas
- Add the dry ingredients. Flour, baking soda, baking powder, salt, cinnamon, and nutmeg. Stir until the flour streaks just disappear. Do not overmix.1½ cup All-purpose flour, 2 teaspoon Baking powder, ¼ teaspoon Baking soda, ½ teaspoon Salt, 1 teaspoon Cinnamon, ¼ teaspoon Nutmeg
- Pour into the pan and smooth the top.
- Sprinkle the streusel evenly over the batter, right up to the edges. Don't press it down.
- Bake 50 to 60 minutes, checking at 50. A skewer should come out with a few moist crumbs. Tent loosely with foil if the streusel browns before the loaf is done.
- Cool 15 minutes in the pan, then lift out onto a rack and cool completely before slicing.
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Tina says
Made this with walnuts added in and it was such a good addition!
Rose Sioson says
That's such a good call Tina, walnuts add the perfect crunch against the streusel. Glad it worked out.
Rose Sioson says
This banana bread is simple, moist, and so easy to make. If you try it, please leave a comment and let me know how it turned out!