Lemon Sauce for Cakes

Sauces

1 tbsp butter
zest and juice of one lemon
pinch of salt1/2 cup sugar
1 tbsp cornstarch
1 cup water

1. Combine sugar, cornstarch, and water in a saucepan and cook on medium-high heat until thickened.  Stir constantly.
2. Remove from heat and stir in the butter, zest, lemon juice, and salt.
3. Return to heat and cook an additional 2 or 3 minutes until thickened again.
4. Use while hot.