Lemon Dessert Sauce - cooking recipe

Ingredients

1/2 cup sugar
4 teaspoons cornstarch
1 cup boiling water
1/4 cup fresh lemon juice
2 tablespoons butter
1 grated lemon, rind of
1 pinch salt

Preparation

Mix sugar and cornstarch in a small saucepan.
Stir in boiling water and lemon juice.
Bring to a boil, stirring constantly.
Boil 3 minutes until clear and thick.
Remove from heat and stir in butter, lemon rind and salt.