Coffee Cupcakes

Light espresso sponge cake, and smooth, silky coffee flavoured buttercream for the ultimate coffee flavoured cupcakes!

Coffee and desserts are the dream combination. The bittersweet pairing balances any dessert whether you are having it as a drink on the side, or a coffee flavoured dessert!

These coffee cupcakes are made up of light espresso sponge and silky coffee flavoured buttercream for the perfect representation of coffee in a cupcake. The buttercream used in this recipe is a little bit different to the traditional American buttercream. The icing sugar and coffee are melted together to form a royal icing consistency before the butter is added. This process helps to melt the coffee and sugar, resulting in a super silky buttercream! Once you give it a go you won’t want to go back to your regular frostings.

There are a couple of different cupcakes on this blog, all with different kinds of frostings, if you’re looking for a couple of different cupcake recipes check these ones out:

• Black forest cupcakes with whipped cream
• Matcha cupcakes with whipped white chcolate ganache
• Pineapple and coconut cupcakes with coconut swiss meringue buttercream
• Lychee and rose cupcakes with lychee italian merignnue buttercream
• Chiffon cupcakes with mandarin whipped cream

At-a-Glance – What You’ll Need Before We Start Rolling

Detail	Info
Yield	12 cupcakes
Prep Time	30 minutes
Cook Time	10–15 minutes
Difficulty	Easy
Storage	Airtight container, fridge up to 3 days

Cupcake Ingredients

• Whole milk – Adds moisture and helps create a soft, tender crumb.
• White vinegar – Reacts with baking soda to give lift and keeps the sponge plush.
• Vegetable oil – Keeps the cupcakes moist for days without adding flavour.
• Unsalted butter – Provides richness and classic cupcake flavour.
• White sugar – Sweetens the cake and helps with structure and browning.
• Eggs – Bind everything together and add structure and stability.
• Instant espresso powder – Gives concentrated coffee flavour without extra liquid.
• Plain flour – Forms the structure of the cupcake.
• Baking powder – Provides lift for a light, fluffy rise.
• Baking soda – Reacts with acid for extra lift and tenderness.
• Salt – Balances sweetness and sharpens the coffee flavour.

Coffee Buttercream Ingredients

• Unsalted butter – Forms the base of the frosting and creates a creamy texture.
• Icing sugar – Sweetens and thickens the buttercream smoothly once dissolved.
• Hot water – Dissolves the sugar and coffee to prevent grainy frosting.
• Instant espresso powder – Adds strong coffee flavour without splitting the buttercream.
• Cocoa powder (dusting) – Adds light bitterness and enhances the coffee notes visually and in taste.

Optional Ingredients – What They Add

• Cocoa powder – Adds a light bitterness that sharpens the coffee flavour.
• Chocolate-covered espresso beans – Give crunch, decoration, and an extra coffee hit.
• Caramel sauce – Adds sweetness and contrast to the coffee bitterness.
• Chopped nuts (walnut or hazelnut) – Add texture and a warm, nutty depth.
• Cocoa nibs – Provide a subtle crunch without extra sweetness.

Substitutions – Smart Swaps That Still Work

• Buttermilk instead of milk and vinegar – Gives the same acidity with added richness.
• Gluten-free flour blend – Maintains structure when it contains xanthan gum.
• Strong brewed espresso (for sponge) – Replaces instant coffee while keeping flavour bold.
• Brown sugar instead of white sugar – Adds moisture and a light caramel note.
• Plant-based butter – Works for buttercream when firm and unsalted.
• Oat or soy milk – Keeps the crumb soft without changing flavour too much.

How to make the perfect cupcakes

There are a couple of tips to creating perfectly moist and fluffy cupcakes without a domed top.

Why this recipe creates the perfect cupcake

There are a couple of little tips and tricks I’ve incorporated into this recipe to ensure that the cupcake bakes up with the perfect texture and shape.

• Use buttermilk or soured milk: Using buttermilk, or milk mixed with vinegar, adds extra moisture to the cupcake base and creates that plush texture.
• Use a combination of butter and oil: Butter in cupcakes gives them flavour, however it has the tendency to dry the sponge cake out. On the other hand, oil adds moisture to the cake without imparting any flavour. Oil also allows the cupcakes to last longer without becoming stale. By using a combiation of oil and butter you get the best of both worlds.
• Creaming the butter, oil and sugar together: Beating the fats and sugar together gives the cupcakes a little more air and volume, increasing their fluffy texture.

Tips to keep in mind when making the batter

• Beat the fats enough: Ensure you beat the butter, oil and sugar together for long enough so that it has increased in volume and lightened in colour. This process ensures that your cupcakes come out well risen and fluffy. Underbeating at this stage can result in a dense texture.
• Whisk the dry ingredients together: Whisking the dry ingredients together allows the leavening agents to incorporate with the flour before it is added to the wet mixture. This decreases pockets of baking powder or soda in the batter, allowing for an even bake.
• Mix until just combined: One of the most important tips when baking cupcakes is the in the mixing. Overmixing the batter will increase gluten development in the batter, causing them to be dense and rubbery. After each addition of dry ingredients or milk make sure the batter is only mixed until just combined.

How to make silky buttercream

This buttercream is a little different from the typical American buttercream. Regular buttercreams can get grainy as the sugar is added directly to the butter and beat together. On the other hand buttercreams like Swiss, Italian, or French dissolve the sugar in mediums like egg yolks and egg whites.

This method simply dissolves the sugar and espresso powder in a couple of tbsp of boiling water to create a paste. Butter is added to the paste and beat until fluffy. A simple method for a super silky, grain-free buttercream.

Tips for the perfect buttercream:

• Make sure the water is hot enough to dissolve the coffee and sugar: if the water isn’t hot enough to melt the sugar the resulting buttercream will still be grainy
• Cool the coffee-sugar paste before adding the butter: If you add the butter when the mixture is still warm it can cause the butter to melt and the frosting to curdle and split. If this does happen simply place the buttercream in the fridge to firm up for 30 mins before continuing to whip
• Keep beating: A good buttercream has to be beat for an extended period of time in order to have the perfect consistency. I recommend beating the butter for 10 mins to 20 mins, stopping when the buttercream has doubled in volume, lightened in colour and reaches a light, yet silky texture.

Troubleshooting – Quick Fixes I’ve Learned from My Bakery Kitchen

Problem	What’s Happening	Quick Fix
Cupcakes are dry	Overbaked or too much flour	Bake less and spoon flour lightly
Dense texture	Batter overmixed	Mix just until combined
Grainy buttercream	Sugar not dissolved	Use boiling water and cool fully
Buttercream split	Butter added too warm	Chill for 30 minutes and re-whip
Cracked tops	Oven too hot	Lower temperature slightly

Comparison – How This Recipe Stacks Up Against Other Desserts

Dessert	Texture	Best For
Coffee Cupcakes	Light sponge, silky buttercream	Coffee lovers
Chocolate Cupcakes	Rich and dense	Chocolate cravings
Vanilla Cupcakes	Soft and sweet	Neutral flavour base

Tips for the Best Coffee Cupcakes

Use Freshly Brewed Espresso

Incorporate freshly brewed espresso instead of instant coffee for a more robust and authentic coffee flavor.

If you love deep, creamy coffee flavor, my Vietnamese Egg Coffee shows how coffee can turn luxuriously rich with just a few clever techniques.

Room Temperature Ingredients

Ensure all ingredients, especially eggs and butter, are at room temperature to achieve a smoother batter and better texture.

Avoid Overmixing

Mix the batter just until the ingredients are combined to prevent the cupcakes from becoming dense.

Recipe Variations

Mocha Cupcakes

Add cocoa powder to the batter to create a mocha flavor, combining the richness of chocolate with coffee.

Love coffee baked into soft bread instead of cake? These fluffy Coffee Buns deliver that same café aroma in bakery-style form.

Caramel Macchiato Cupcakes

Drizzle caramel sauce over the espresso buttercream to mimic the flavors of a caramel macchiato.

Nutty Coffee Cupcakes

Fold in finely chopped nuts, such as walnuts or hazelnuts, into the batter for added texture and a nutty flavor that complements the coffee.

Serving Suggestions

With a Scoop of Vanilla Ice Cream

Serve the cupcakes warm with a scoop of vanilla ice cream for a delightful dessert experience.

Paired with a Latte

Enjoy the cupcakes alongside a hot latte to enhance the coffee experience.

For a sweeter, spiced café pairing, my Biscoff Latte is pure comfort in a cup and pairs beautifully with coffee desserts.

Garnished with Chocolate-Covered Espresso Beans

Top each cupcake with a chocolate-covered espresso bean for an extra coffee kick and decorative touch.

Common Mistakes to Avoid – Lessons I’ve Learned After Dozens of Batches

Overbeating the Batter

Once the flour goes in, stop early. Overmixing builds gluten and makes cupcakes rubbery.

Adding Butter Too Soon to the Buttercream

If the coffee sugar mix is warm, the butter will melt. Let it cool completely first.

Using Cold Ingredients

Cold eggs and butter don’t emulsify well. Room temperature makes everything smoother.

Packing the Flour

Scooping straight from the bag adds too much flour. Lightly spoon and level instead.

Baking Too Hot

High heat causes cracking and dryness. Every oven runs differently, so adjust if needed.

Skipping Cooling Time

Warm cupcakes melt buttercream. Patience gives cleaner swirls and better texture.

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