Lemon Sauce

Directions

1. 1
   Add in rind to boiling water; reduce heat, and simmer for 5 minutes.
2. 2
   In a small bowl, mix cornstarch, sugar and salt together.
3. 3
   Add water gradually, whisking constantly.
4. 4
   Return to saucepan and cook over medium heat for about 10 minutes until thickened.
5. 5
   Lower heat and cook for 5-6 minutes longer.
6. 6
   Remove from heat, and stir in lemon juice and butter.
7. 7
   Best served warm.