Preheat your oven to 180°C (350°F) and line a baking tray with greaseproof paper.
In a large mixing bowl, combine 40g caster sugar, 110g light brown sugar, 208g plain flour, 40g chopped/flaked almonds, 4g salt, and 112g dark chocolate chunks. For best results, sift the 20g cocoa powder, 208g plain flour, and 1/2 tsp bicarbonate of soda together before adding them to the mixture.
In a separate bowl, whisk together 80g almond butter, 40g warm water, and 100g golden syrup until smooth. Pour this mixture into the dry ingredients.
Use a wooden spoon to mix everything together, then switch to your hands to bring the dough into a smooth consistency.
Shape the dough into 8 even-sized balls, about the size of a golf ball. Place them onto the lined baking tray and gently flatten each one with the palm of your hand.
Bake the cookies for 8-10 minutes, depending on thickness. The cookies are ready when the edges are firm, but the centers remain soft.
Let the cookies cool on the tray for 15 minutes before transferring them to a wire rack to cool completely.