Hard boil the eggs for 6 minutes and let them cool down.
Cut away the edges of the bread slices.
Mix the cream cheese and the crème fraiche together.
Time to make the filling by pouring away the water from the shrimps. Add it with the crème fraiche and cream cheese mixture.
Add the salt, pepper, dill and lump fish roe.
Squeeze the juice from half of the citron, and mix well.
Place 6 bread slices in a row by 3 bread on each row.
Add half of the filling evenly over the bread.
Place another 6 slices of bread over the filling.
Add the rest of the filling evenly over the bread.
Place the rest of the bread slices as a last layer.
Cover the top and sides of the cake with mayonnaise.
Cover the sides with baby spinach.
Peel and cut the eggs in slices, preferably with an egg cutter.
Cover the top of the cake evenly with the eggs slices.
Decorate the cake as you prefer with the shrimps, salmon, tomatoes and lump fish roe.
Place in the fridge over night.