Preheat the oven to 180C/160C Fan/Gas 4 and line two baking trays with baking paper.
Tip the dairy-free margarine, both sugars and the vanilla extract into a large bowl (or bowl of a free-standing mixer). Sift the flour, baking powder, bicarbonate of soda and a pinch of salt into the bowl and beat everything until thoroughly combined and almost smooth.
Add the chocolate chips and Mighty M.lk and mix again until the chocolate chips are thoroughly incorporated.
Use an ice cream scoop or two dessert spoons to drop neat mounds of dough onto the lined baking trays allowing plenty of space between each cookie as they will spread during cooking.
Bake for about 10 minutes, or until golden brown.
Remove from the oven and leave to cool on the baking trays
