This is as simple as it is delicious, the dessert gives you instant gratification. 5 ingredients, a one bowl, whisked in 2 minutes, baked in under 20 minutes and ready to be eaten immediately. Sold? Dive right in!
Melt the chocolate in a large bowl and stir in the rest of the ingredients.
Turn the batter into a 6" bowl and bake for 17-20 minutes. Tent the top with a sheet of foil into 10 minutes of baking to stop the top from overbrowning.
Top with a bar of chocolate (optional), let it stand for 5 minutes and serve immediately.
Chocolate bar
Pour the melted chocolate into a chocolate bar silicon mold big enough to fit the baking dish. Tap sharply to get rid of any air bubbles and distribute the melted chocolate.
Place in the freezer for 10-15 minutes until set. Demold and trim with a sharp heated knife if you need to. Refrigerate until required. The bar can be made in advance, or can be set while the cake is baking.