1. Melt the sugar, butter and syrup gently in a large pan.
2. Cool slightly then add the dry ingredients followed by the beaten egg and mix well.
3. Place into a non-stick shallow baking tin (you can grease with butter if needed).
4. Flatten down the mixture with the back of a metal spoon.
5. Bake at 180c for 25-30 minutes.
Leave until nearly cold and cut into slices.