Tarts are a delicious and versatile treat that can be made with a variety of fillings, from fresh fruit to creamy custards. With their flaky crust and flavorful toppings, they work well for both sweet ...

Mary Berry lets us into her secrets for a classic lemon tart. It can be made up to two ... place the base of the tin on an upturned can or jam jar and let the outer ring fall to the work surface.

For the red onion jam ... lemon juice into a bowl and season with plenty of salt and freshly ground black pepper. Add the leaves and toss gently to coat. To serve, carefully remove the tarts ...