Luscious Lemon Curd - cooking recipe

Ingredients

2 cups sugar
12 egg yolks, slightly beaten and strained
1 cup lemon juice (fresh is best)
1/2 lb butter
2 tablespoons grated lemon zest

Preparation

Combine sugar and egg yolks in a medium sized pan.
Stir in the lemon juice gradually and cook over a low heat, stirring constantly, until the mixture coats the back of your spoon and registers 168 degrees on a candy thermometer.
Do not let this mixture boil.
Remove mixture from the heat, and wisk until it is slightly cooled.
Stir in the butter and grated lemon zest.
Cool completely and place in jars for yourself and gift giving.