molten chocolate lava cake, with a frozen ganache core
Ingredients · tap to check
- for the ganache core: 60 g (2 oz) dark chocolate, 70 percent, finely chopped
- 60 ml (1/4 cup) heavy cream
- for the cakes: 115 g (4 oz) dark chocolate, 60 to 70 percent, chopped
- 115 g (1 stick) unsalted butter, cubed, plus soft butter for the ramekins
- 2 whole eggs, at room temperature
- 2 egg yolks, at room temperature
- 60 g (1/3 cup) sugar
- 40 g (1/3 cup) plain flour, sifted
- 1/4 tsp fine salt
- cocoa powder, for dusting the ramekins
- powdered sugar, to finish
- vanilla bean ice cream and an espresso, to serve
The Way
- Make the ganache cores first, hours ahead. Pour the hot cream over the finely chopped chocolate, wait a minute, then stir from the middle out until it turns glossy and smooth. Spread it about 1 cm thick in a small lined container and freeze at least 1 hour, until it is solid enough to cut into four cubes and handle without softening.
- Set a glass bowl over a pan of barely simmering water, not boiling, and let the chopped chocolate and cubed butter give way together without stirring much. When the last pieces are nearly gone, stir it to a deep glossy mahogany and lift it off the heat to cool slightly.
- In a separate bowl, whisk the whole eggs, the yolks and the sugar until the mixture lightens from deep yolk-orange to a pale cream-yellow foam and visibly doubles. This is the stage most people cut short - keep going until the whisk leaves a ribbon that holds a figure-eight on the surface for a second before sinking in.
- Pour the warm chocolate into the pale foam and fold, not whisk, until the dark marbled bands close up and the batter is one uniform glossy dark brown with no streaks left.
- Sift the flour and salt over and fold just until smooth. Stop the moment the dry streaks disappear - it should fall off the spatula as a heavy satin ribbon.
- Butter four ramekins generously, going up the sides in strokes, then dust them with cocoa and tap out the excess. Fill each about two thirds.
- Press one frozen ganache cube into the centre of each ramekin until the batter closes over it completely. It should sit fully buried and the surface should look untouched again.
- Bake at 200C (400F) for 11 to 12 minutes. You want the edges risen and set matte with fine faint cracks starting across the top, and the centre still dark and soft when you nudge it. Do not wait for a clean skewer.
- Rest 1 minute, run a thin knife around the edge, then invert onto a plate and lift the ramekin away. It should slide free with one soft wobble.
- Dust with powdered sugar in a light uneven veil so the chocolate stays dominant, then set a cold scoop of vanilla bean ice cream beside it and pour the espresso.
- Open the side with a spoon while it is still hot. The molten core runs down the cut face in one thick slow flow and spreads into a pool on the plate. Eat it with the cold cream in the same spoonful.
midnight tip. the frozen ganache cube is the whole cheat, and it is why this works when a plain lava cake does not. the classic version has no filling, so the flow depends entirely on pulling the ramekins at the right minute - one minute too long and you have a very good chocolate cake with nothing inside. a cube of frozen ganache cannot bake solid in 12 minutes, so the middle stays liquid whether or not you got the timing perfect. two things still matter. freeze the cube hard, because a soft one dissolves into the batter and you lose the separate molten pocket. and butter and cocoa the ramekins properly, going up the sides in strokes, because a lava cake that will not release is a lava cake you have to eat out of the dish.
Questions
why freeze a cube of ganache into the middle instead of just underbaking it?
underbaking is the classic method and it is unforgiving. the flow comes from batter that never set, so the window is roughly 60 seconds wide and it moves with your oven, your ramekins and how cold the batter was going in. a frozen ganache cube is a separate pocket of chocolate that is already liquid at eating temperature and cannot set in a 12 minute bake, so the molten centre stops being a timing trick. it also flows thicker and darker than raw batter, which is why it reads so clearly against the crumb.
mine came out fully baked with no flow at all. what happened?
either the cube was not frozen hard enough and melted into the batter during mixing and baking, or the cakes went too long. check the cube first - it should be solid straight from the freezer, cut into shape and pressed in quickly. then check the bake: pull them when the edges are set matte and the centre still gives when you nudge the ramekin, usually 11 to 12 minutes. an oven running hot by 20 degrees will cook a lava cake through before the timer goes.
can i fill the ramekins ahead of time?
yes, and it is the better way to serve these. fill and core them, cover, and refrigerate up to 24 hours, then bake straight from cold and add 2 minutes. the ganache cores keep frozen for a month, so make a batch and cut cubes as you need them. what does not hold is a baked lava cake - the core keeps setting as it cools, and reheating gives you a dry edge before the middle loosens again.
can i use chocolate chips instead of a bar?
for the batter, yes at a push. for the ganache core, no. chips carry stabilisers that help them hold their shape in a hot cookie, which is exactly the wrong property here - they resist melting smoothly and the ganache can come out grainy or split. use a chopped bar at 60 to 70 percent. anything sweeter than about 55 percent makes the flow cloying against the ice cream, and above 80 percent it tightens and turns bitter.
(this one was MOLTEN) — it finds your DMs.
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