1 2/3 c. all purpose flour
1/3 c. powdered sugar
1 c. butter, softened
1 tsp. vanilla

FILLING:

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
Coconut or powdered sugar

In medium bowl combine first 4 ingredients; blend well. Chill dough. Heat oven to 350 degrees. Shape dough into 1 inch balls. Place 2 inches apart on ungreased cookie sheet. With thumb or forefinger make imprint in center of each cookie. Bake at 350 degrees for 8-10 minutes or until lightly browned. Immediately remove from cookie sheet; cool. In medium saucepan combine filling ingredients except coconut or powdered sugar; cook over low heat stirring constantly until smooth and thickened. Cool, top each cookie with about 1/4 teaspoon filling. Sprinkle with coconut or powdered sugar. 36 cookies.