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Banana Bread Syrup

Name: Banana Bread Syrup
Prep time: 5 min
Cook time: 15 min
Total time: 50 min
Yield: About 180ml / ¾ cup
Ingredients: 10g unsalted butter (2 tsp); 100g peeled ripe banana, mashed (about 1 small banana or ½ cup mashed); 80g dark brown sugar (¼ cup + 2 tbsp); 125ml water (½ cup); ½ tsp ground cinnamon; 1 tsp vanilla paste or vanilla extract; 1-2 pinches of salt

This banana bread syrup tastes like the caramelised edge of a warm banana loaf, with ripe banana, browned butter and cinnamon in every spoonful. Strained until smooth and pourable, it's made for iced lattes, homemade coffee drinks and banana cold foam.

5 min prep
15 min cook
50 min total
About 180ml / ¾ cup serves

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Homemade banana bread syrup in a glass jar with a spoon showing its pourable texture.

Homemade banana bread syrup in a glass jar, ready to use for coffee drinks.

ripe banana, toasted brown butter and cinnamon in a syrup made for coffee.

A note from my kitchen

I first made this syrup because I wanted a banana latte that actually tasted like banana bread, not simply banana milk with coffee added to it. The part that makes the biggest difference for me is the browned butter. It gives this syrup the toasted, almost caramelised flavour you get around the edges of a warm, sweet banana loaf.

The banana cooks with dark brown sugar and water until the whole mixture tastes deeper and more concentrated, then cinnamon, vanilla and salt bring it back to that familiar banana-bread flavour. I press the mixture through a fine-mesh sieve while it’s still warm, which gives me a rich syrup that’s smooth enough to stir into coffee and froth into cold foam.

I love using this in my banana bread latte and banana cold foam, but it’s just as great over pancakes, French toast or vanilla ice cream.

What Is Banana Bread Syrup?

Banana bread syrup is a homemade coffee syrup made to capture the flavour of a warm loaf of banana bread in a pourable form. It’s made with real ripe banana, browned butter, dark brown sugar, cinnamon and vanilla rather than relying only on banana flavouring.

The syrup is cooked on the stove, then strained so it can be measured easily and mixed into drinks. it’s richer than a basic simple syrup, with a toasted butter flavour and a subtle molasses note from the dark brown sugar.

Why You’ll Love This Recipe

It actually kind of tastes like banana bread. The browned butter, ripe banana, dark brown sugar and cinnamon create a warm, baked banana bread flavour rather than a one-note banana syrup.
It’s made with real banana. The banana cooks directly into the syrup before the mixture is strained.
It turns one batch into several drinks. Keep a jar in the fridge for iced lattes, cold foam and homemade coffee.
It works beyond coffee. The same syrup can be spooned over pancakes, French toast, porridge or ice cream.
The method is simple. Everything is cooked in one saucepan before straining and storing.

What Does It Taste Like?

The syrup tastes like sweet banana folded into dark caramel, with a toasted note from the browned butter. Cinnamon gives it the warmth of banana bread, while vanilla softens the flavour and a pinch or two of salt stops the sweetness from feeling flat.

It’s richer than a plain banana simple syrup, but still loose and smooth enough to stir into milk and coffee. The banana is clear without tasting artificial, and the browned butter makes the finish feel more like a baked dessert.

ingredient Notes

The exact measurements are in the recipe card further down the page.

Unsalted Butter

I use unsalted butter so I can control the salt at the end. Let it cook until the milk solids are amber and toasted and the butter smells nutty, but take it off the heat before the flecks become very dark.

Ripe Banana

Use a ripe, spotty banana for the strongest flavour and easiest mashing. Mash it well before it goes into the pan so it cooks evenly and releases as much flavour as possible.

Dark Brown Sugar

Dark brown sugar gives the syrup its deeper caramel and molasses notes. It works especially well with the browned butter and is one of the reasons the syrup tastes more like banana bread than a basic banana drink syrup.

Water

Water loosens the banana and sugar mixture so it can simmer without becoming a thick paste. It also keeps the finished syrup fluid enough to pass through the sieve.

Cinnamon, Vanilla and Salt

Cinnamon brings the banana-bread flavour together, while the vanilla paste or extract rounds out the browned butter and dark sugar. One or two pinches of salt are enough to sharpen the flavour without making the syrup taste salty.

Equipment You’ll Need

You’ll need a small or medium saucepan, a heatproof spatula or wooden spoon, a fork for mashing the banana, a fine-mesh sieve, a heatproof jug or bowl and a clean glass jar with a lid.

A light-coloured saucepan makes it easier to see when the butter has browned. A small funnel is also helpful if the jar or bottle has a narrow opening.

How to Make Banana Bread Syrup

The full ingredient quantities are in the recipe card. The stages below explain the exact method and the texture changes to look for.

1. Brown the Butter and Add the Mashed Banana

Add the unsalted butter to a light-coloured saucepan over medium-low heat. Let it melt, then continue cooking while stirring or swirling the pan.

The butter will foam slightly before the milk solids begin to turn golden. Once the flecks at the bottom are amber and the butter smells nutty, lower the heat.

Carefully add the mashed banana to the browned butter. It may bubble when the moist fruit hits the hot fat, so add it gradually.

Stir for about one minute, until the banana is coated in the butter and beginning to soften into the pan.

Golden browned butter with toasted milk solids in a saucepan.

Mashed banana stirred into browned butter in a saucepan.

2. Add the Dark Brown Sugar, Cinnamon and Water

Add the dark brown sugar, cinnamon and water. Stir well, scraping the base and corners of the saucepan so there are no pockets of sugar or banana left to catch.

3. Simmer the Syrup

Bring the mixture to a gentle simmer over medium heat, and then reduce heat to low and cook for 8–10 minutes, stirring every now and then. The sugar should dissolve and the banana should break down slightly into the liquid.

The syrup is ready when it looks glossy and lightly thickened but still falls easily from the spatula. Do not reduce it until it becomes very thick, because it will thicken further as it cools and needs to remain loose enough to strain.

Water stirred into banana, browned butter, dark brown sugar and cinnamon.

Glossy banana bread syrup being gently cooked in a saucepan.

4. Add the Vanilla and Salt

Remove the pan from the heat. Stir in the vanilla and salt until evenly combined. Let the syrup mixture rest in the pan for about 5 minutes.

5. Strain the Syrup

Set a fine-mesh sieve over a heatproof jug or bowl and pour in the warm banana mixture.

Press firmly on the banana pulp with the back of a spoon or spatula to extract as much syrup as possible. Scrape the underside of the sieve into the jug, then set aside the thick solids left behind.

Warm banana bread syrup pressed through a fine-mesh sieve.

Homemade banana bread syrup being poured in a glass jar after straining.

Cool and Store

Pour the strained syrup into a clean heatproof jar. Leave it uncovered until it has cooled, then seal and refrigerate.

Give it a good stir or shake before using.

How to Use Banana Bread Syrup

The syrup is designed for coffee, but it also works as a small-batch sauce for breakfast and desserts.

In a Banana Bread Latte

Use 1–2 tablespoons in an iced banana bread latte, depending on how sweet and pronounced you want the flavour. The syrup can also go into the cold foam so the banana bread flavour carries through the whole drink.

In Cold Foam

You can add a measured amount of this syrup when making cold foam or lightly whipped cream and adjust the amount according to your taste. Make sure the syrup is completely cold before frothing it with cream and milk. Warm syrup can stop the topping from thickening as well.

In Hot or Iced Coffee

Stir the syrup into hot coffee before adding milk, or add it to the glass before building an iced latte. Starting with 1 tablespoon makes it easy to adjust the sweetness.

Over Breakfast and Desserts

Drizzle it over pancakes, French toast, oatmeal, waffles, vanilla ice cream or a plain cheesecake. It works anywhere you would normally use a caramel-style sauce but want a banana-bread flavour instead.

Tips for the Best Banana Bread Syrup

Use a very ripe banana. A soft, spotty banana gives you a stronger, sweeter flavour.
Watch the butter closely when browning it. Once the milk solids turn amber, they can burn quickly.
Lower the heat before adding the banana. This reduces splattering and gives you more control.
Stir along the base of the pan. Banana and dark sugar can catch in the corners.
Keep the simmer gentle. A hard boil can reduce the syrup too quickly.
Stop while it’s still pourable. The syrup becomes slightly thicker once it cools.
Press the pulp while straining. This extracts more flavour and gives you the best yield.
Cool it completely before making cold foam or using in drinks.
Shake or stir before using. The butter and banana can make the chilled syrup settle slightly.

Make Ahead and Storage

Keep the cooled syrup in a clean airtight jar in the fridge for up to 2 weeks.

It may need a quick stir or shake before pouring or using in drinks and cold foam.

Frequently Asked Questions

Why Brown the Butter?

Browning the butter toasts the milk solids, giving the syrup a nutty, slightly caramelised flavour. That extra depth is what makes it taste more like banana bread rather than a plain banana syrup.

Why Is the Syrup Strained?

Straining removes the larger pieces of cooked banana and leaves a smoother syrup that mixes more easily into coffee, milk and cold foam.

Pressing the pulp also helps extract more of the banana flavour before the solids are completely removed.

How Much Syrup Should I Use in a Latte?

Start with 1 tablespoon for a lightly sweetened drink or 2 tablespoons for a stronger banana bread flavour. The right amount will depend on the size of the glass and how sweet the coffee already is. I usually prefer 2 tablespoons in a latte and extra in the cold foam for a nice banana bread flavour throughout.

Can I Use It in Hot Coffee?

Yes. Stir it into the hot coffee first so it dissolves evenly, then add milk or cream.

Why Has My Syrup Thickened in the Fridge?

The butter might firm up a bit when cold and the syrup naturally becomes more viscous after chilling. Stir or shake it well, or leave it at room temperature for 5–10 minutes before using.

Does Banana Bread Syrup Contain Coffee?

No. The syrup contains no coffee. It’s made to flavour coffee drinks, but it can also be used over breakfast and desserts.

Can I Use Light Brown Sugar or Granulated Sugar Instead?

Dark brown sugar is the best choice here because its strong molasses and caramel flavour really complements the banana, brown butter and cinnamon in the syrup. Light brown sugar is fine if you don’t have dark brown sugar on hand. White sugar would make the syrup taste lighter and less rich. But if you don’t have any brown sugar at all, granulated sugar will do the job just fine.

What Do I Do With the Leftover Banana After Straining?

Don’t throw away the strained banana mixture as it’s packed with sweet banana and browned butter flavour. You could make these banana bread cookies with it, mix it into banana bread batter or even have it with oatmeal or pancakes.

More Café-Style Drinks

Use this syrup in my banana bread latte with brown sugar coffee and banana cold foam.

You might also like my creme brulee latte or tiramisu latte.

You can also browse the full drink recipes archive.

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