1 2/3 c. flour
1/3 c. powdered sugar
1 c. butter, softened
1 tsp. vanilla
1 egg, beaten
2/3 c. sugar
2-3 tsp. grated lemon peel
1 tsp. cornstarch
1/4 tsp. salt
3 tbsp. lemon juice
1 tbsp. butter
Powdered sugar or coconut

In medium bowl, combine flour, powdered sugar, butter and vanilla; blend well. Chill 30 minutes. Heat oven to 350 degrees. Shape dough into 1 inch balls. Place 3 inches apart on ungreased cookie sheet. With thumb or forefinger, make imprint in center of each cookie. Bake 8-10 minutes or until lightly browned. Immediately remove from cookie sheet and cool. In medium saucepan combine egg, sugar, lemon peel, cornstarch, salt, lemon juice, and butter. Cook over low heat until smooth and thickened, stirring constantly. Cool filling slightly. Spoon 1/4 teaspoon filling into center of each cookie; sprinkle with powdered sugar or coconut.