Orange Curd

Ingredients:
6 large egg yolks
3/4 cup sugar
zest of 1 orange
2 1/2 tablespoon freshly squeezed lemon juice
1/4 plus 1 table spoon, freshly squeezed orange juice
1/8 teaspoon salt
10 1/2 tablespoons cold butter cut into pieces.

Directions:
Step 1. combine yolks, sugar, zest, ad juice in a heavy sauce pan. whisk to combine. Cook over medium heat, stirring constantly with a wooden spoon or spatula (be sure to scrape sides of pan), until the mixture is thick, 8-10 minutes. Let mixture come to a rapid simmer and cook, continually scraping the sides of the pan for 2 minuets.
Step 2. Remove saucepan form heat. Ann salt and butter, one piece at the time, stirring until smother. If desired, strain through a fine sieve into a medium bowl. Cove with plastic wrap, pressing it directly onto the surface of the curd to prevent a skin from forming. Refrigerate until chill and very firm, at least 2 hours or up to 1 1/2 weeks.