Prep the ramekins by brushing it with the melted butter & dust with cocoa powder

Melt the chocolate chunks with butter in a double boiler or the microwave till a smooth creamy paste.

In a separate bowl add the sugar and whisk in the egg yolks till you get a pale yellow mixture

Then add the egg whites and mix in the molten chocolate mixture

Add the 100 gms of plain flour to this and whisk. The mixture should be a loose batter

Pour a ladle of the mixture into the ramekin, place a chunk of chocolate in the center and cover the chunk with more batter. The chunk will melt while baking n ooze out when you cut the center of the cake

Bake for 15 mins in a pre heated oven at 200 C

Serve with a dollop of vanilla ice cream