Lemon Curd with yolks

1/2 cup lemon juice 6 egg yolks 1 cup sugar 4 teaspoons freshly grated lemon zest 8 tablespoons cold unsalted butter , cut into pieces 1 To make lemon curd:[...]

4 egg yolks 2 lemons , rind and juice 125 g caster sugar 110 g unsalted butter , at room temperature, cut into small pieces 570 ml natural yoghurt 1 Put the[...]