Place egg yolks, mustard, lemon juice (or vinegar) and salt in mixing bowl. Mix 15 sec/speed 4. Scrape sides of the bowl.
With MC in place, Mix 2 min / speed 4 while slowly pouring oil into the lid. Allow the oil to drizzle into the mixing bowl. (Lift the MC slightly every so often)
Add the desiccated coconut and chilli paste, Mix 4 sec / speed 4.
Scrape the sides and repeat 4 sec / speed 4 or until combined