There’s nothing I love more than an easy recipe that tastes like it’s from a professional bakery. You can ditch the store bought and whip this out within 45 minutes from start to finish - it’s gooey, moreish, and everything you crave in a sticky, chocolatey desert - with perfect moisture, a brownie like texture and perfect sweetness.

You will need
For the batter:
- 1 cup (125 g) all-purpose flour
- ¾ cup (65 g) unsweetened Dutch-process cocoa powder
- 2 tsp baking powder
- ½ tsp salt
- ¾ cup (150 g) granulated sugar
- ⅓ cup (70 g) light brown sugar, packed
- 1 cup (240 ml) whole milk, room temperature
- ½ cup (115 g) unsalted butter, melted
- 2 tsp pure vanilla extract
- ¼ tsp espresso powder (optional, enhances the chocolate)
- ½ cup (85 g) chopped dark chocolate or chocolate chunks (70% cocoa or higher)
For the molten topping:
- ¾ cup (150 g) granulated sugar
- ½ cup (45 g) unsweetened cocoa powder
- 1 ¾ cups (420 ml) hot strong coffee or boiling water
To finish:
- Flaky sea salt, for sprinkling
- Vanilla ice cream or whipped cream, for serving
Instructions
- Preheat the oven: Heat to 175 °C / 350 °F. Butter a 9-inch square (or similar-sized) baking dish.
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Make the batter: In a large bowl, whisk together flour, cocoa, baking powder, salt, and both sugars. Add milk, melted butter, vanilla, and espresso powder. Stir until just combined - like a thick brownie batter.
Fold in the dark chocolate chunks. Spread evenly in the baking dish. - Add the molten topping: In a small bowl, whisk ¾ cup sugar with ½ cup cocoa powder. Sprinkle evenly over the batter - don’t stir. Gently pour 1¾ cups hot coffee or water over the top (I used water but using coffee will deepen the flavour without adding sweetness). It will look like chocolate soup - trust the process. Again, do not mix.
- Bake: Bake for 30–35 minutes, until the top looks set and cracked but the center jiggles slightly. The bottom will have turned into a molten chocolate sauce.
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Rest and serve: Let it sit for 10 minutes so the sauce thickens beneath the cake layer.
Spoon into bowls, making sure to scoop from the bottom for that gooey lava.
Finish with a sprinkle of flaky sea salt and a scoop of ice cream.
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