01 -
In a food processor, pulse together flour, sugar, and salt. Add cold cubed butter and pulse until mixture resembles coarse crumbs. Mix egg yolk with cold water and vanilla, then blend until dough just forms. Shape into a disc, wrap, and refrigerate for 30 minutes.
02 -
Roll out the dough, cut into circles, and press gently into mini tart pans. Prick bottoms with a fork and refrigerate for 15 minutes before baking.
03 -
Bake shells in a preheated oven at 350°F (175°C) for 10 to 12 minutes until golden brown. Remove from oven and allow to cool completely.
04 -
Whisk lemon juice, lemon zest, sugar, and egg yolks in a saucepan until smooth. Cook over medium-low heat, stirring constantly, until mixture thickens to coat the back of a spoon, approximately 6 to 8 minutes. Remove from heat and stir in cubed butter until melted and smooth. Optionally, strain through a fine sieve. Cool to room temperature, then refrigerate until set.
05 -
Fill cooled tart shells evenly with lemon curd. Top each with fresh raspberries and dust with powdered sugar if desired immediately before serving.