Step by step

Spread over the almond paste and then sprinkle over some almond flakes. Bake for 30-40 minutes

Tips
To make your own bitter orange marmalade, buy only Seville oranges, but remember that you can only get them in January and February.
Trivia
Elderflowers are used to make a perfect tea infusion to treat a cold and also have beneficial effects on the circulatory system.