Preheat oven to 375 degrees. Line baking sheets with parchment paper.
Add butter and sugar to stand mixer. Cream together, until light and fluffy. Add eggs one at a time, scraping down the sides of the bowl, if needed. Add vanilla and food coloring, mix until light, fluffy and green.
In a separate bowl, sift together flour, baking powder and salt. Slowly add the flour mixture to mixer on low speed, until combined. Stir in mint chips. Refrigerate dough for 1 hour.
Drop cookie dough by the tablespoon onto a prepared baking sheet spaced 2-inches apart. Bake for 10-12 minutes. Let cool.