Green Mint Chocolate Chip Cookies

Name: Green Mint Chocolate Chip Cookies
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Ingredients: 1 Cup Butter (softened); 1 ½ Cups Sugar; 2 Large Eggs (plus 1 egg yolk); 1 teaspooon Peppermint Extract; 10 Drops Green Food Coloring; 3 ¼ Cups Flour; 2 teaspoons Baking Powder; 1 teaspoons Baking Soda; 1 ½ teaspoons Cream of Tartar; 1 teaspoon Cornstarch; 1/2 teaspoon Salt; 12 Ounces Dark Chocolate Bars, chopped (divided per recipe. Or use dark chocolate chips- see note)