Preheat oven to 350°F and line baking sheets with parchment paper.
Crush candy canes and set aside.
Mix together olive oil, non dairy milk, sugar, cornstarch, and vanilla. Mix well with a wooden spoon or Danish dough whisk.
Combine flour, cocoa, baking powder and soda, and salt in a separate bowl. Stir dry into wet until no white flour is seen.
Fold in chocolate chips and candy cane pieces .
Scoop 2 tablespoons of dough, and make balls. Space them a couple inches apart.
Put water in a cup and using a fork, wet the fork and gently flatten the cookies.
Sprinkle a little bit of salt on top of each cookie if desired, or extra mint pieces.
Bake for 8-10 minutes.
Allow to rest on baking sheet for 5 minutes before carefully moving to a rack to cool completely.