Cookies:
2 c. Flour
1 c. Butter, softened
1/2 c. Powdered Sugar
1/4 tsp. Lemon Extract

Combine all ingredients.
Roll into walnut size balls.
Place on parchment lined cookie sheets.
Flatten slightly and make an indent in center with thumb.
Bake 10-12 minutes at 350°F.
Fill center with lemon filling.
Dust with powdered sugar.

Lemon Filling:
1 Egg, beaten
3/4 c. Granulated Sugar
1 1/2 Tbsp. Butter
1/4 c. Lemon Juice
2 tsp. Lemon Zest
Powdered Sugar

In a small saucepan combine egg, sugar, butter, lemon juice and lemon zest.
Cook over medium heat stirring constantly until mixture thickens.
Let cool before filling cookies.