Fruit Slice Cookies Recipe

Mix thoroughly butter, granulated sugar, eggs and vanilla.
Blend in flour and salt.
Divide dough into 4 equal parts.
To one part, work in few drops yellow food color and the lemon peel.
To another part, work in few drops green food color and the lime peel.
To another part, work in few drops each red and yellow food color and the orange peel.
Leave remaining part plain.
Cover; chill 1 hour.
Shape each colored dough into roll, 2 inches in diameter and 4 inches long.
Divide plain dough into 3 equal parts.
Roll each part into rectangle, 6x4 inches.
Wrap 1 rectangle around each roll of colored dough; press together firmly.
Roll in matching colored sugar.
Wrap; chill at least 4 hours.
Heat oven to 400°.
Cut rolls into 1/8-inch slices.
Place on ungreased baking sheet; cut each slice in half.
Bake 6 to 8 minutes or just until set.
Immediately remove from baking sheet.