Top with the remaining sponge and brush with the remaining Grand Marnier syrup. Cover with a sheet of baking parchment and place a 20cm/8in plate or cake tin base on top and press down gently.
Orange and chocolate are a classic combination for a reason, but this cranberry ricotta cake also uses a dash of Grand ...
Just whip it out of the freezer 10 minutes before slicing or scooping. I like to add a little extra Grand Marnier to the mix. If you have fresh berries, great, otherwise frozen are just fine.