Chocolate Malted Ice Box Pudding

• 4 squares
• 1 squr (finely grated)
• 700 ml cream (heavy)
• 110 ml milk chocolate
• 45 gr malted milk powder
• 32 gr semi-sweet chocolate
• 14 gr icing sugar
• 2 gr vanilla
• 4 slices pumpernickel bread (sliced)