There are multiple usages for blow torches. In the kitchen, they’ll help achieve that crisp finishing touch by caramelising sugar on top of desserts like crème brulée. You can even toast ...

For this recipe you will need a 20cm/8in loose-bottomed tart tin and a chef's blow torch. Whisk the egg whites in a large bowl until soft peaks form when the whisk is removed. Tip in the caster ...