Five Guys has just launched a Lotus Biscoff milkshake

The decadent treat (Picture: Five Guys/Instagram/Getty Images)It’s safe to say, we are a nation obsessed with Lotus Biscoff.From finding recipes to make Biscoff lasagne (featuring the popular biscuits, some cream, vanilla and Lotus spread) to six-ingredient Biscoff blondies – any opportunity to eat the caramel biscuits we are sold.But it seems there’s a new biscuity delight out there thanks to burger franchise Five Guys.The sweet treat in question? A deliciously decadent Lotus