For the pastry, mix together the butter, lard, flour and salt in a food processor until it resembles breadcrumbs. Add the lemon juice and enough cold water to bring the mixture together into a dough.

If you fancy doing some vegan baking this Veganuary, try this gluten-free and vegan brownie tart - it's easy to make and ...

Meanwhile, in a mini food processor, pulse the chutney and mustard just until the chutney is chopped. Spoon a dollop of the chutney mustard on each slice and serve.