Step 1: Apply baking spray on a cookie sheet.
Step 2: In a medium mixing bowl, add the butter and sugar. Beat until well mixed.
Step 3: Add the egg, pudding mix, and sour cream. Beat until well combined.
Step 4: In another mixing bowl, add the flour, baking soda, and salt. Whisk until well mixed.
Step 5: Transfer the flour mixture into the pudding mixture. Stir until well blended.
Step 6: Add the food colouring and mint extract.
Step 7: Add ¾ cup of chocolate chunks, ½ cup of Andes baking bits, and ¾ cup of chocolate chips. Stir until well combined.
Step 8: Drop tablespoons of the batter into the prepared cookie sheet.
Step 9: Place the baking sheet inside the oven and bake for 10 minutes at 375 degrees F or 190 degrees C.
Step 10: Remove from the oven and let the cookies sit on a wire rack to cool at room temperature.
Step 11: Serve and enjoy!