3/4 c. sugar
2 tbsp. cornstarch
3/4 c. water
1 slightly beaten egg yolk
3 tbsp. lemon juice
1 tsp. grated lemon peel
1 tbsp. butter

In a saucepan, mix sugar, cornstarch, and dash of salt. Add water, egg yolk, and lemon juice. Cook over medium heat, stirring constantly, until thick. Remove form heat; add lemon peel and butter. Makes 1 1/2 cups.