Whisk the eggs and sugar until thick and paleEasiest in a stand mixer - it will take about 10 minutes 2 large eggs, 100 g caster sugar
Melt the butter and allow to cool slightly
100 g butter
Sift the flour and baking powder together
100 g self-raising flour, ½ teaspoon baking powder
When the egg mixture is ready, lightly whisk in the other ingredients, using the lowest setting for a few seconds. You may need to use a spoon to carefully stir in any butter that isn't incorporated
Put the bowl in the fridge for 20-30 minutes
Preheat the oven to 200°C/ 185°C fan/ gas mark 6/ 400°F
Spoon the mixture into the moulds so that it is almost at the top, but not quite
Bake for 8-10 minutes (mine took 9 minutes) until beginning to turn golden brown. Check after 8 minutes, then after 9 minutes
Ease out of the tins with a knife (use a nylon knife in a non-stick pan) and cool on a wire rack
Repeat with the rest of the mixture
Eat as soon as you can.