Marshmallow Fridge Cake Make crust with 1 pckt tennis biscuits, crushed +3Tbuter - one dish or individual. Blend 1 tin condensed milk + 100ml lemon juice to thick. Fold in 1c Bulg yoghurt. Chop 2c marshmallows +1c cherries/well-drained pineapple pieces/ any other drained preserves like figs. Whip 2c cream. Fold in gently into marshmallow mix. Pour into dish. Refrigerate until set.