Preheat oven to 280°C/536 °F
Melt butter and syrup together in a large saucepan and cool.
Mix sugar, coconut, rolled oats and flour together. Stir into saucepan.
Dissolve soda in water and mix in.
Place rounded teaspoonfuls on a greased oven tray. Bake for 15 minutes or until golden.