How Do You Make Bon Bon Café? Explained

Tried to make Bon Bon Cafe four times before I got the layers right. Poured too fast, got brown coffee soup. Poured over a spoon slowly, got the beautiful two-layer drink I was after. The drink is simple: sweetened condensed milk on bottom, strong espresso on top. Layering technique is the only part that requires practice.

Bon Bon Cafe layers sweetened condensed milk with espresso for a rich, dessert-like drink. The key is the layering technique — pour slowly over a spoon to keep the layers distinct.

The Origin Of Bon Bon Café

“Bon Bon Café” means “confection,” and it lives up to the name. Originating in Valencia as a sweet staple for those with a serious sweet tooth, it gradually spread beyond Spain — particularly to Southeast Asia, where condensed milk was already a familiar ingredient in coffee culture.

In Vietnam, Malaysia, Thailand, and Singapore, Bon Bon Café goes by various names — “Cà Phê Sữa Đá,” “Kopi Susu Panas,” or “Kafe Ron” among them. The traditional espresso base is often swapped for local coffee styles, and whipped cream is sometimes added on top depending on the country and the café.

In Vietnam, where this style of coffee is perhaps most famous, Cà Phê Sữa Đá typically uses Robusta beans to give the drink a stronger, more assertive flavour that holds its own against the sweetened condensed milk. Some European variations take the drink in a different direction entirely, adding alcohol to the mix.

Check out our guide on how to make Café Asiatico.

How To Make Bon Bon Café At Home

This recipe uses the most common approach with espresso and condensed milk. I like to add whipped cream and a splash of vanilla extract — it makes the drink feel more like something you’d order at a good café rather than something you threw together at home.

 

Is There Any Other Variation for Bon Bon Café?

Café Bombon is known for that thick, sweet condensed milk base backed by intense espresso, but you’re not locked into one approach. Brazilian or Colombian coffee can replace the standard espresso for a slightly different character — still strong, but with more regional personality.

As for the condensed milk, a low-fat version is an option, but be aware the taste shifts noticeably. The sweetness and texture both change, and the drink loses some of what makes it distinctive. For authenticity, stick to the full-fat version — or ask your barista to make one for you if you’re unsure.

You might also be interested in our guide on is cafe bustelo espresso.

How To Make The Froth

A traditional Bon Bon Café has two distinct layers — the dark espresso and the creamy condensed milk — but a froth layer on top adds a third dimension. Use a steam wand with extra air to create it, then scoop it off gently and place it on top of the drink rather than pouring the milk mixture in directly (which would disrupt the layers).

Check out our article on milk frothing for coffee.

Can You Add Alcohol to Bon Bon Café?

You can, and in some traditions it’s expected. The Barraquito from the Canary Islands is probably the most adventurous variation — a take on Bon Bon Café that includes Licor 43 or Tia Maria Liqueur along with a strip of lemon zest. Licor 43 is also the spirit behind the Carajillo, where its tangy fruit notes and subtle spice work well against the sweetness of the condensed milk.

How Do You Serve Bon Bon Café?

A clear glass is essential — the visual layering is part of what makes this drink special. Use a medium-sized glass that can accommodate all three layers: condensed milk at the bottom, espresso in the middle, and whipped cream or froth on top. Don’t rush the layers.

Serve it with a spoon for stirring — the layers should meld gradually as you drink, not all at once. I like it with British scones, though a simple biscuit works just as well. The drink is sweet enough to function as dessert on its own if needed.

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What I’ve Learned Making This At Home

The measurements in the recipe above work well, but coffee strength is personal — I typically brew the espresso a touch stronger than standard because the condensed milk is very sweet and needs something to push back against. Fresh beans, roasted within the last few weeks, make a real difference here. Stale supermarket coffee produces a flat result that the condensed milk can’t save. If you can, buy from a local roaster and use it while it’s fresh.