Preheat the oven to 175°C fan (195°C conventional / 400°F / gas mark 6) and line a flat baking tray (one without edges)** with non-stick baking paper.
Beat together the margarine, sugar, syrup and vanilla until smooth.
125 g dairy free margarine, 125 g soft light brown sugar, 1 tbsp golden syrup, 1 tsp vanilla extract
Add the flour, cocoa, baking powder and salt and mix until thoroughly combined.
120 g plain flour, 25 g cocoa powder, 1/2 tsp baking powder, 1 pinch salt
Add the chocolate and stir in.
25 g dairy free white chocolate, 25 g dairy free milk chocolate, 25 g dairy free dark chocolate
Use an ice cream scoop to divide up the cookie dough into 6 and place on the baking sheet. Leave plenty of space in between your cookies because they will spread. Flatten them slightly with your hand.
Bake for 12 minutes. Cool on the tray***.