This has become part of the après-ski tradition in Italian resorts, where it helps skiers defrost after a day on the slopes. Its name means ‘the bomb’ and it is unabashedly punchy! Squirty cream is very light, so floats more easily and creates swirly mounds, but you can use whipping or double cream: whip about 300ml in a bowl with 1 tbsp caster sugar and ½tsp vanilla extract to stiff peaks (serves 4-6).