Tangy Lime Creams

Directions

1. 1
   Combine all filling ingredients except food color in 2-quart saucepan; mix well.
2. 2
   Cook over medium-low heat, stirring constantly, 3-4 minutes or until mixture begins to thicken.
3. 3
   (Do not boil.)
4. 4
   Remove from heat.
5. 5
   Stir in food color, if desired.
6. 6
   Set aside to cool.
7. 7
   Heat oven to 325F.
8. 8
   Combine butter, 1/4 cup sugar, egg yolk and vanilla in bowl.
9. 9
   Beat at medium speed, scraping bowl often, 1-2 minutes or until well mixed.
10. 10
    Add flour and salt; beat at low speed 2-3 minutes or until well mixed.
11. 11
    Shape dough into 1-inch balls.
12. 12
    Place 1 inch apart onto ungreased baking sheets.
13. 13
    Make indentation in center of each cookie with thumb or back of teaspoon.
14. 14
    Spoon about 1/2 teaspoon filling into each cookie indentation.
15. 15
    Bake 12-15 minutes or until set but not brown.
16. 16
    Cool 1 minute on baking sheet; remove to cooling rack.
17. 17
    Cool completely.
18. 18
    Sprinkle tops with powdered sugar.