01 -
In a bowl, mix flour and powdered sugar. Add cold, cubed butter and rub until the mixture resembles breadcrumbs. Stir in the egg yolk and cold water to form a dough. Wrap and chill for 30 minutes.
02 -
Preheat the oven to 180°C. Roll out the dough, cut into circles, and press into mini tart tins. Prick the bases with a fork and bake for 12-15 minutes until golden. Let cool completely.
03 -
In a heatproof bowl, whisk egg yolks, sugar, lemon juice, and zest. Place over a saucepan of simmering water and whisk until thickened. Remove from heat and stir in butter until smooth. Chill before use.
04 -
Whip egg whites and cream of tartar to soft peaks. Gradually add sugar and whip to stiff peaks. Mix in food coloring, if desired.
05 -
Fill cooled tart shells with lemon curd. Top with lilac meringue using a piping bag.
06 -
Torch the meringue lightly with a kitchen torch or place under a broiler for a golden finish. Garnish as desired and serve.