Giant Vegan Christmas Cookie

• 1 Tablespoon ground flax seeds
• 200 g Dairy-free margarine
• 150 g caster sugar
• 100 g soft brown sugar
• 1 Teaspoon vanilla extract
• 320 g self-raising flour
• 100 g dairy-free chocolate chips

For the icing:

• 120 g Dairy-free margarine
• 300 g icing sugar
• ½ Teaspoon vanilla extract
• Splash dairy-free milk (to loosen the icing if needed)
• Red and/or green food colouring (I recommend using a paste or gel)

To decorate:

• Vegan-friendly sprinkles of choice