English Lemon Curd - cooking recipe

Ingredients

1 cup butter
2 cups sugar
3 eggs, lightly beaten
1/2 cup lemon juice
1 tablespoon grated lemon peel

Preparation

In top of double boiler melt butter.
Stir in sugar, eggs, lemon juice, lemon peel.
Cook over simmering water for 1 hour, or till thickened, stirring occasionally.
Turn off heat. Cover with lid. Allow to cool.
Store, covered in refrigerator up to 3 weeks.