Coarsely grate the marzipan. Chop 100 g walnuts very finely and knead. Roll out to a rectangle (16 x 20 cm) on baking paper
Chop 50 g chocolate coating, melt in a hot water bath. Spread on the marzipan. Leave to dry for about 3 hours
Halve 12 walnuts. Whisk the egg whites. Dip the nuts and almonds into the mixture, drip off a little on kitchen paper. Turn in sugar, let dry
Turn the marzipan plate with the chocolate side down. Peel off the paper. First cut into strips of about 2 cm width, then into diamonds. Roughly chop the rest of the chocolate coating and melt it. Dip the lozenges into the chocolate on a fork and let them drip off. Place on a grid and let dry. Decorate with nuts and almonds. Leave to dry. Store in a cool place