|Butter||4 Ounce (125 Gram)|
|Caster sugar||7 Ounce (1 Cup Or 220 Gram)|
|Flour||6 Ounce (1 1/2 Cups Or 185 Gram)|
|Baking powder||1⁄2 Teaspoon|
|Soda bicarbonate||1⁄2 Teaspoon|
|Ground cinnamon||2 Teaspoon|
1. Place butter and 3/4 cup / 170 g / 5 1/2 oz sugar in a bowl and beat until light and fluffy. Add egg and beat well.
2. Sift together flour, baking powder and bicarbonate of soda and stir into butter mixture. Turn dough onto a floured surface and knead briefly. Wrap in plastic food wrap and refrigerate for 30 minutes or until firm.
3. Place cinnamon and remaining sugar in a small bowl and mix to combine. Roll dough into small balls, then roll balls in sugar mixture. Place 5 cm / 2 in apart on lightly greased baking trays and bake at 180°C/350°F/Gas 4 for 8 minutes or until golden. Remove to wire racks to cool.