step 1
Crush the biscuits and mix with the melted butter
step 2
Grease a push bottom cake tin with butter
step 3
Push the biscuit mixture into the tin and leave in the fridge until rest of the mixture is ready
step 4
Whisk together the cream cheese and the condensed milk, until smooth.
step 5
Add the lime zest, juice and double cream and continue to whisk for a few minutes.
step 6
Stir in the rum (according to taste)
step 7
Spoon the mixture over the biscuit base and leave overnight in fridge.