Choco Leibniz Caramel combines the biscuit's thick sustainably farmed chocolate topping with an ooz. ing layer of smooth rich caramel contrasting with the traditional crisp butter biscuit base. Features Butter biscuit set in milk chocolate (52%) with caramel filling. Bahlsen Biscuits has launched a new flavour. Choco Leibniz caramel filled biscuits. Capacity - 4.8 oz. Pack of 12.