Preheat oven to 160°C/140°C fan-forced. Grease oven trays; line with baking paper.
Combine oats, sifted flour, sugar and coconut in large bowl.
Stir butter, syrup and the water in small saucepan over low heat until smooth; stir in soda and Bake Aid (make sure it only gets lukewarm).
Stir liquid mixture into dry ingredients.
Roll level tablespoons of mixture into balls; place about 5cm apart on trays, flatten slightly. Bake about 20 minutes; cool on trays.