Sugar Cookies with Lemon Curd

Cookies

• 115 g sugar
• 200 g unsalted butter, cut into pieces, room temperature
• 370 g all-purpose flour, plus extra to dust
• 1 large egg
• 1 tsp vanilla extract, natural
• 1 pinch salt

Lemon curd

• 115 g sugar
• 70 g lemon juice
• 2 large eggs
• 2 egg yolks, from large eggs
• 85 g unsalted butter, cut into pieces