Prepare the ramekins

• Butter the ramekins generously.
• Dust them with cocoa powder and tap out the excess.

Melt the chocolate and butter

• Melt the chocolate with the butter in a saucepan over low heat.
• Stir until smooth, then let cool slightly.

Make the batter

• Whisk the eggs with the sugar until pale and slightly thickened.
• Stir in the melted chocolate mixture.
• Fold in the sifted flour until just combined.

Fill and bake

• Divide the batter between the prepared ramekins.
• Bake at 200 °C until the edges are set and the center still soft.

Serve

• Let the cakes rest for a minute, then turn out onto plates.
• Serve immediately while the center is molten.