Espresso Brownies Recipe

Choosing coffee for espresso brownies

For this recipe, espresso powder means brewed coffee that has been dried into a soluble powder. Check the packaging: it should dissolve in water. Coffee labelled “espresso grind” is ground roasted beans, not the same ingredient.

Soluble powder is useful because it supplies coffee flavour without requiring a full shot of liquid. Here, it is dissolved in a measured amount of hot water before joining the batter, helping distribute it evenly.

Use 6 g for the recipe below. This is a suggested starting point, not a universal strength setting: different powders have different flavour profiles. Plain instant coffee is a workable alternative, although the result will taste different. Avoid sweetened latte or cappuccino sachets, which introduce other ingredients.

For other ways of putting coffee into puddings, start with coffee desserts. The soaking method used in tiramisu serves a different purpose and should not be transferred directly to brownie batter.

Espresso brownies recipe

This formulation aims for a compact, fudgy brownie rather than a light chocolate sponge. It uses cocoa powder for the chocolate component, with no melted chocolate or chocolate chips.

Recipe card

Makes: 16 small squares
Preparation: approximately 15 minutes
Baking: approximately 25 to 30 minutes
Cooling: approximately 1 hour, or until completely cool
Total: approximately 1 hour 45 minutes, allowing longer if necessary for cooling

Equipment: digital scales, 20 cm square metal baking tin, baking paper, heatproof bowl, small jug, whisk, flexible spatula, sieve, skewer and cooling rack.

Ingredients

• 175 g unsalted butter, plus a little for greasing
• 250 g caster sugar
• 65 g unsweetened cocoa powder
• 85 g plain flour
• 150 g beaten egg, weighed without shells
• 6 g soluble espresso powder
• 15 ml hot water
• 5 ml vanilla extract
• 2 g fine salt

Allergens: contains milk, egg and wheat. Check individual ingredient labels for additional allergens and cross-contact warnings.

Method

1. Prepare the oven and tin. Heat the oven to 180°C conventional or 160°C fan. Lightly grease the tin, then line its base and sides with baking paper, leaving enough overhang to lift out the cooled slab.

2. Dissolve the coffee. Stir the espresso powder into the 15 ml hot water until smooth. Add the vanilla and set aside.

3. Melt the butter. Put the butter in a heatproof bowl over a saucepan of gently simmering water, keeping the bowl clear of the water. Stir until melted, then remove from the heat.

4. Make the cocoa mixture. Whisk the sugar, cocoa and salt into the melted butter. The mixture will be thick rather than pourable. Leave it until warm, not hot, before adding the eggs.

5. Add eggs and coffee. Whisk in the beaten egg in several additions, followed by the dissolved coffee mixture. Stop once everything is evenly combined.

6. Fold in the flour. Sift the flour over the bowl and fold with a spatula, scraping around the sides and across the bottom. Stop when no dry flour remains.

7. Bake. Spread the batter evenly in the lined tin. Bake on the middle shelf for approximately 25 to 30 minutes, checking from 25 minutes. The edges should be set and a skewer inserted near the centre should carry moist crumbs, not a coating of glossy, uncooked batter. Continue baking if the centre is still liquid.

8. Cool and cut. Put the tin on a rack and leave until the brownies are completely cool. Lift out using the paper and cut into 16 squares, wiping the knife between cuts.

Do not taste the uncooked batter. Raw flour can carry food-poisoning bacteria, so the absence of raw-looking egg is not enough to make batter ready to eat.

Approximate caffeine

For the plain instant-coffee alternative, allow approximately 18 to 26 mg caffeine per square, assuming 16 equal portions.

The illustrative calculation uses:

• 6 g instant coffee at NESCAFÉ’s published range of 50 to 90 mg per 2 g: 150 to 270 mg.
• 65 g cocoa at the FSANZ reference figure of approximately 11 mg per 5 g: 143 mg.
• Estimated batch total: 293 to 413 mg, divided by 16.

This is an ingredient-based estimate, not a laboratory measurement, and assumes no caffeine loss during baking. It does not establish the caffeine content of an unspecified espresso powder. For that version, use the powder manufacturer’s information where available; do not assume all powders match the instant-coffee range.

In pregnancy, NHS advice is no more than 200 mg caffeine daily from all sources. Individual sensitivity varies. Ask a midwife, GP or pharmacist if you need personal advice.

Getting a fudgy texture without leaving raw batter

Fudginess comes partly from the balance of ingredients. Relatively little flour and no baking powder favour a compact crumb; increasing flour or adding a raising agent moves the result towards cake.

That is why weighing matters. Adding extra flour because the batter looks thick changes the intended balance. Likewise, adding an espresso shot on top of the measured water changes the formula rather than simply strengthening the coffee flavour.

Cooling is part of the method, not an optional pause. Judge the final texture when the slab is cool, rather than cutting into the hot centre and assuming it has failed.

The baking time is a checking window, not a guarantee. Tin dimensions and oven behaviour affect the result. Use the specified tin for the most useful comparison, and combine the clock with the doneness checks in the method.

For a contrasting dessert, serve a small square alongside coffee ice cream. Keep any ice cream separate during brownie storage.

Storing and freezing espresso brownies

For a cautious home-storage approach, follow the FSA’s general leftovers guidance: cool the brownies and refrigerate within two hours, then eat within 48 hours or freeze. This is general food-safety guidance, not a measured shelf-life assessment of this particular recipe.

Store in a covered container in a fridge operating at 0 to 5°C. Separate layers with baking paper so the cut surfaces do not stick together.

For freezing, wrap individual portions and put them in a suitable sealed container. Use three months as a quality target, following published brownie guidance, rather than treating it as a precise safety deadline. Defrost in the fridge and follow the FSA advice to use food within 24 hours of being fully defrosted.

Keep this recipe unfrosted for straightforward storage. A cream, mascarpone or mousse topping needs its own handling instructions; see coffee cheesecake and mousse rather than borrowing brownie storage advice.