Add flour and sugar to a food processor and process until evenly distributed.
350 g Plain Flour, 100 g Caster Sugar
Add butter to the food processor and process until the mixture resembles fine breadcrumbs.
230 g Butter
Add a few tablespoons of water (or milk) and mix together until the pastry dough has formed. Use your hands to bind the dough together.
2 tbsp Water
Wrap the sweet shortcrust pastry in cling film and leave it to chill in the fridge for at least 15 minutes.
Making The Brownie Batter
Melt butter and chocolate together in the microwave or in a pan and set it aside to cool down.
115 g Butter, 100 g Dark Chocolate
Place caster sugar, light brown sugar, eggs and vanilla extract into a large mixing bowl. With an electric whisk, whisk the mixture until it becomes pale, frothy and has doubled in size.
100 g Caster Sugar, 70 g Light Brown Sugar, 3 Medium Eggs, ½ tsp Vanilla Extract
Pour the dark chocolate and melted butter mixture into the whisked eggs mixture. Whisk together until combined.
Sift plain flour, salt and cocoa powder over the mixture, then whisk again until it's evenly combined.
60 g Plain Flour, 25 g Cocoa Powder, Pinch Of Salt
Assembling
At this time, preheat your oven to 180°C (gas mark 4, 160°Fan) and grease a holed mince pie tin with oil or butter.
Using a rolling pin, roll out the pastry on a lightly floured surface. The pastry should be around 5mm (0.5cm) thick.
Get a round fluted cookie cutter preferably 7.4cm or 7.5cm and cut out bases from the pastry. Place the bases into your holed mince pie tin and gently press them down. You can also make mini star toppings.
Add a tablespoon of brownie batter to the base, and top with a star lid (optional).
Bake in the oven for 20 minutes and leave it to cool down for at least 10 minutes.
Video
Notes
Make The Pastry By Hand
Pour flour and sugar into a large mixing bowl and mix until evenly distributed.
Slice butter into small cubes, rub it into the flour and sugar mixture using your fingertips until it resembles breadcrumbs.
Add a few tablespoons of water (or milk) and mix together until the pastry dough has formed. Use your hands to bind the dough together.