Preheat the oven to 350 F. In a medium bowl, whisk together flour, salt, and baking soda. In a large bowl, combine butter with sugar until fluffy. Add in the egg and mint extract, and mix until it is smooth.
Add in the flour mixture, mix until it is fully combined. Add in the green food coloring, mix until it is fully green. Fold in the chocolate chips.
Roll the cookie dough into balls, and flatten each one slightly. Place one Oreo cookie onto each piece of dough, roll into a ball, covering the Oreo cookie completely.
Place onto a large ungreased baking sheet at least 2-inches apart. Bake for 10-12 minutes.
