Melt margarine in a water bath, add sugar, eggs and mix. Add the sifted flour and baking powder.
Lemon slice as thin as possible!
Form the desired refractory. Put it on a small fire and spread on the bottom of the form cut butter (to melt faster), take the oil tasty and good, in any case, do not use margarine. The oil immediately begins to melt and then pour the sugar.
As soon as it becomes dark places caramel, remove from heat and lay out the lemon.
I sometimes leave the skin on the lemon, and sometimes cut it as much as possible. I like the bitterness she gives.
Pour the dough and a wet spoon level the dough and send it to the oven for 20 minutes at 200 C. Time, of course, depends on your oven.