1. Preheat the oven to 350 degrees f.
2. Line a baking sheet with parchment paper.
3. In a large bowl mix your sugar cookie dough, butter and egg until combined.
4. Split the dough into thirds.
5. Mix 12 drops of yellow food coloring into 1/3 of the dough. Mix 24 drops of food coloring into the other 2/3 of the dough.
6. Refrigerate the dough balls for 30 minutes.
7. On a lightly floured surface, roll two green dough logs of equal size and one yellow dough log.
8. Place the dough logs together in a, green, yellow, green pattern.
9. Use a floured rolling pin to roll the cookie dough flat into a rectangle shape that is about 1/4" thick.
10. Cut triangle shapes from the dough using a knife. Be sure to have a stipe of green at the top and bottom of the triangle with yellow dough in the center.
11. Place dough triangles on the prepared baking sheet.
12. Bake until cookies are lightly brown around the edges, 8-10 minutes.
13. Place the cookies on a wire rack to cool (optional).
14. Use red frosting to add a feather to the front of the cookie hat.