Preheat the oven to 180C

Cream the butter and syrup together in a large mixing bowl. Add chia seeds and mix until the mixture is smooth. In a separate bowl, mix the oats, flour, and biscarbonate.

Gradualy stir the oat mixture into the creamed mixture until thoroghy combined.

Place tablespoon of the mixture onto the prepared baking sheet, making sure they are well spaced. Transfer to the preheted oven and bake for 15 minutes or until the cookies are golden brown.

Remove the cookies from the owen and place on a wire rack to cool before serving.