Lime Sandwich Cookies

• butter↗1 cup

  softened

• sugar↗1 cup
• baking powder↗1⁄2 teaspoon
• egg↗1
• finely shredded lime peel1 teaspoon
• fresh lime juice↗2 tablespoons
• all-purpose flour↗3 cups
• green food coloring↗

  (several drops)

• Lime-Pistachio Filling
• butter↗1⁄4 cup

  softened

• sifted powdered sugar3 1⁄3 cups

  divided

• fresh lime juice↗3 tablespoons
• finely chopped pistachio nut1⁄3 cup

Step-by-step instructions

1. 1

   In a big bowl, beat butter with an electric mixer on medium to high speed for 30 seconds.

2. 2

   Add in sugar and baking powder; beat until combined.

3. 3

   Beat in egg and lime juice until combined.

4. 4

   Beat in as much of the flour as you can with the mixer; stir in any remaining flour and the lime peel with a wooden spoon.

5. 5

   Knead in enough green food coloring for desired color.

6. 6

   Shape dough into two 8-inch long rolls; wrap in clear plastic wrap or waxed paper.

7. 7

   Chill 4-24 hours or until firm enough to slice.

8. 8

   Cut rolls into1/8-inch slices; place slices 1-inch apart on an ungreased cookie sheet.

9. 9

   Bake in a preheated 375° oven for 7-8 minutes or until bottoms are lightly browned.

10. 10

    Transfer cookies to a wire rack and let cool.

11. 11

    Spread bottoms of half the cookies with about 1 tablespoon of Lime-Pistachio filling; top with remaining cookies, flat sides down.

12. 12

    To make Lime-Pistachio Filling: in a medium-size bowl, beat butter with an electric mixer on medium to high speed for 30 seconds.

13. 13

    Gradually beat in 1 1/3 cup sifted powdered sugar; beat in lime juice until smooth.

14. 14

    Gradually beat in enough sifted powdered sugar (1 1/3 to 2 cups) to make of spreading consistency; stir in pistachio nuts.