double chocolate! i hear you cry! ahh yes, they are double chocolate in that they have chocolate and cocoa powder in them. don't underestimate these babies, cut them small, they are very rich and you won't be missing out by having a smaller piece!
200g good quality dark chocolate
200g caster sugar
125g plain flour
melt together the butter and the chocolate in a double boiler (bowl ontop of a saucepan of water)
whisk together the eggs and the sugar, and add the chocolate to the eggs, mixing thoroughly.
sift in the flour and the cocoa and stir in until completely mixed
pour into a foil lined square tin
put in the oven at 160 degrees for 20-25 minutes, until a knife pushed in the middle is only a little bit sticky
eat hot with a scoop of vanilla ice cream. yums.