Preheat oven to 160'c

Melt butter, cocoa powder and chocolate together in a pan

Whisk eggs, egg yolks and sugar together until pale

Mix the 2 mixtures together then fold in the flour

Butter and flour some individual moulds and spoon mixture in to fill 3/4 of the mould

Bake in oven for 15-20 minutes

Once ready, turn out into a bowl. Outside should be a cake texture and inside a soft melted chocolate