Eric has teamed up with Persil washing up liquid to show us how to make a light Granny Smith Apple Mousse andndash; the perfect end to a summer meal and an absolute must for all dinner parties this summer. The lighter than air apple mousse on a crunchy digestive and cinnamon base is served with salted butter caramel sauce and decorated with dried apple slices to add an extra burst of apple-iness! For a time-saving tip or to help stay refreshed on those hot summer days, try it with rich toffee ice cream instead of caramel sauce. andnbsp; Watch this step-by-step video to see just how easy it is to make this simple, delicious summer treat while still having fun and making a mess in the kitchen.