Lemon Curd 



Instructions

1. 1

   In a heavy saucepan, combine the zest, juice, sugar, and egg yolks with a whisk until smooth.

2. 2

   Add the butter and cook over low heat, stirring constantly with a whisk, making sure to scrape the bottom and corners of the pan, until the mixture thickens and coats the back of a spoon, about 10 minutes. Strain if desired.

3. 3

   Let cool and refrigerate.

4. 4

   This lemon curd will keep for one week in the refrigerator and freezes well.