Put the biscuits in a bag and crush them with a rolling pin until they are crumbs
Gently melt the butter in a saucepan or microwave, then add in the biscuit crumbs
Mix well then press into the base of a cake tin/dish then use any round dish lined with grease proof paper
Put in the fridge for 30 mins
For the topping
whisk the double cream until stiff (use an electric whisk if possible) and then add the other ingredients while whisking on a low speed
Pour the topping on top of the chilled base
Top with strawberry jam and sliced strawberries if you want