Chopping chocolate. Melt coconut oil and chocolate over a warm water bath. Whisk eggs, sugar, milk and cocoa with the whisk of the hand mixer until light creamy. Pour the chocolate mixture into the egg mixture while stirring.
Break butter cookies roughly. Coarsely chop apricots and pistachios. Crumble meringue lightly. Cover a square springform pan (24 x 24 cm) with foil if necessary. Cover the bottom with some chocolate cream.
Spread some biscuit and meringue pieces, apricots and pistachios on top. Cover with chocolate cream. Repeat until all ingredients are used up, finishing with chocolate cream. Cover the mould with foil and chill for at least 6 hours.
Cold dog from the form loosen, third and cut into slices.