Melt 1/2oz butter and add biscuit mixture then put into loose bottomed dish. Push crumbs up the sides and cover dish. Put into a warm oven (150) for 10 mins. Do not burn. Take out and cool.
STEP 3
In a bowl put mascarpone add grated rind of lime + juice and sifted icing sugar to taste, (I hardly put any in). Spread onto the cooled biscuit base and top with raspberries.
STEP 4
Put into fridge to firm and turn out of dish, plate up and serve. Ali