Luckily, there's an easy, foolproof way to clean your blender thoroughly—and it involves zero scrubbing. Like many home cooks, I used to scrub my blender by hand. When I cooked professionally, though, ...

For example, try 150g frozen raspberries with, 150g double cream (fresh from the fridge) and a tablespoon or two of caster sugar. Blend until smooth and then freeze for an hour or so, if necessary.