Want to see what this recipe costs at different supermarkets? Compare in one place here: Launch step-by-step EQUIPMENT: 23cm loose-bottomed tin, baking parchment, plastic food bag, rolling pin, large bowl, dessert spoon, chopping board, kitchen knife, electric mixer, spatula, serving plate, blender or food processor, sieve Make the base: Butter and line a 23cm loose-bottomed tin with baking parchment.