Whisk egg whites until it is stiff.
Add sugar and continue whisking.
Fold in flaked almonds and lemon cest.
Toast this mixture briefly in a non-stick pan until hot. (without fat) Stir again and again.
Spread the hot almond-mixture on wafers.
Cut in pieces and put on a baking tray with baking paper. You can cut this with a sharp knife or scissors.
Bake in preheated oven at 150° C for about 16 minutes until light brown.
Sprinkle with a little melted dark chocolate if desired.
Cool and store in a biscuit tin.
My wafer size is 10 x 14,5 cm. I need 7 of them.