In a high-speed food processor, add flour and icing sugar. Pulse a couple of times to blend. NOTE: don't have a food processor? Read note one below for an alternative method.
Add the chilled cubed butter and pulse for 15 seconds until the mixture resembles a coarse crumb.
Through the vertical shoot, drizzle a tablespoon at a time of the chilled water while pulsing the mixture until it sticks together and forms a rough dough. If the dough is still too dry, add a little more water until it sticks together.
Transfer the dough onto a lightly floured bench top or a large board. Bring the dough together and lightly knead it into a smooth ball of dough, ensuring not to over-knead, just until the dough comes together in a ball.
Flatten the dough into a thick disc and wrap it in plastic cling film. Transfer dough to the refrigerator and chill for 15 minutes.
Preheat the oven to 180ºC (350ºF). Liberally grease with butter a 12-hole shallow tart pan (patty pan) and set aside. You will bake the tart shells in batches as it makes 24 tarts. Use 2 patty pans if you have another.
Remove from the refrigerator and onto a lightly floured bench top or large board.
Roll the dough out to a large 40-45cm circle, approx. 4mm-5mm in thickness.
Using a 6cm fluted round cookie cutter, cut out the round bases.
Place them gently into the greased patty pan. Lightly push the sides of the dough down into the shallow wells.
Repeat with the remaining dough, re-rolling any excess to create more bases.
Fill each crust with 2 level teaspoons of the jam and lemon curd. Fill them up just below the top to avoid the filling from boiling over in the oven as the pastry crust will shrink slightly during baking.
TIP: Fill 12 crusts with jam and the other 12 with curd to have an equal amount of each. Or fill them just with jam or just with curd if desired.
Bake for 18-20 minutes until the pastry crust is lightly golden around the edges. It’s ok if some of the crusts still look pale.
Remove from the oven and allow them to cool in the pan for 10 minutes.
Carefully remove the tarts from the pan and transfer them to a wire rack to cool completely. I like to use a butter knife to easily pop them out of the pan. Tarts will firm up once they cool.
Serve and Enjoy!
Store tartlets in a sealed Tupperware container, at room temperature for 2 days or refrigerated for 4-5 days.