Alexa Johnston bakes European-inspired savoury vegetable tarts. Like many people I have a bit of a love affair with savoury pies, but tend not to make them very often. The time that goes into making and resting pastry, making and cooling a filling, then putting it all together, is a bit daunting – and yet I’d happily spend just as much time making a complicated cake or sweet pastry. Lately, however, I have been making savoury tarts inspired by the vegetable tarts of northern France and northwest Italy.