Step 1: 1. melt butter in mircowave, crush biscuits and mix together in a bowl push down in a flan tin. Put in fridge to cool.
Step 2: 2. Grate rind off 2 lemons and get 100ml of lemon juice from lemons (use siv).
Step 3: 3. mix milk cream lemon rind and juice in a bowl. Pour over biscuit base.
Step 4: 4. Put in fridge ( best to leave in fridge for a day but not essential)