Cool Lime Pie

1 ¼ cups crushed pretzels

¼ cup white sugar

½ cup melted butter

1 (6 ounce) can frozen limeade concentrate

1 (14 ounce) can sweetened condensed milk

1 tablespoon grated lime peel

1 (3.5 ounce) package instant vanilla pudding mix

1 (8 ounce) container frozen whipped topping, thawed

4 drops green food coloring

Preheat oven to 400 degrees F (200 degrees C).

To Make Crust: In a medium bowl, combine pretzels, sugar and butter. Press into a lightly greased 9 inch pie pan.

Bake in preheated oven for 5 minutes. Let cool completely.

To Make Filling: In a large bowl, combine limeade and condensed milk. Whisk in pudding mix. Allow mixture to set for 5 minutes. Stir in lime peel, then fold in whipped topping. Stir in green food coloring if desired.

Pour mixture into cooled pie crust. Cover and refrigerate for at least 2 hours before serving.