Banana Bread Latte Syrup Recipe — Homemade Coffee Flavoring

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A homemade coffee syrup that actually tastes like banana bread.

If you saw my first attempt at this, you know it didn’t go well — the syrup turned gray and I overcooked it. The concept, though, was promising: a banana bread–flavored simple syrup you can stir into a latte at home.

Attempt #2 is a clear improvement. I swapped regular cane sugar for dark brown sugar, left out the butter, and added a small pinch of cinnamon to emphasize that warm, baked note. The result is a smooth, sweet syrup that genuinely evokes banana bread when mixed into coffee.

One caveat: the banana flavor here is pleasant but somewhat subtle. I used ripe bananas (yellow with spots); overripe, almost black bananas will deliver a deeper, caramelized banana flavor closer to what you get in banana bread. I plan to test that in Attempt #3, but this version is tasty and worth making now.

What Changed From Attempt #1?

The major changes were removing the butter and using dark brown sugar. Butter left oily bubbles in drinks, which I didn’t like, while dark brown sugar adds molasses depth that leans the syrup toward a baked, cozy flavor. I also added just a dash of cinnamon — enough to round the profile without overpowering the banana.

What Ingredients Do You Need?

• Ripe banana (the riper the better — see notes below)
• Dark brown sugar
• Water
• Maple syrup
• Ground cinnamon (a dash)

All pantry-friendly ingredients.

A Note on Banana Ripeness

Banana ripeness changes everything. Yellow bananas with some brown spots give a mild, pleasant banana note. Overripe bananas — very soft, almost black — have concentrated sugars and develop a caramelized, intensely banana flavor that more closely replicates banana bread. If you want a bolder banana profile, use overripe fruit.

How Do You Make Banana Bread Latte Syrup?

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This is essentially a flavored simple syrup with the banana cooked into it. Start by mashing the banana so it releases flavor quickly.

Add the mashed banana, brown sugar, water, maple syrup, and a dash of cinnamon to a small saucepan. Heat gently to a simmer and keep it at a gentle simmer for about five minutes — just long enough for the sugar to dissolve and the banana to infuse the liquid without overly reducing the mixture.

Remove the pot from heat and let it cool for about 15 minutes, then strain the mixture through a fine-mesh sieve into a clean jar or bottle to remove solids. Once strained and chilled, the syrup is ready to use. Add it to espresso or brewed coffee before milk so it dissolves evenly.

Use about 1 tablespoon per latte to start, then adjust to taste. This syrup works in both hot and iced lattes.

Tips

• Let the mixture cool before straining — hot syrup is thin and harder to handle.
• Store in a sealed jar or bottle in the refrigerator for up to about a week.
• Start with 1 tablespoon per latte and increase if you prefer it sweeter or more flavored.
• Works well in iced lattes; add it to the coffee first so it dissolves.

What’s Next?

Attempt #3 will use properly overripe, nearly black bananas to amplify the banana and caramel notes. I expect that will get the flavor even closer to real banana bread. I’ll post the update when I test it.

Recipe

Looking for the original disaster? Don’t. But if you must, Attempt #1 is posted elsewhere on the site.

Other Recipes You Might Enjoy

• Need some bread with your coffee? Try my popular pandesal recipe.
• Prefer something sweet? Try a purple ube cookie.