4 tablespoons butter -softened
1/4 cup light brown sugar
1 egg yolk
grated rind from 1 lime
1 cup flour, scant (1 cup minus 1 tablespoon)
2 tablespoons lime juice
6 teaspoons fresh rosemary - finely chopped
granulated sugar for sprinkling

Preheat oven to 350°F Grease baking sheets or line with parchment paper.

1. Beat together the butter and brown sugar until light and fluffy. Beat in egg yolk and lime rind. Add flour and begin to work the mixture into a soft dough.

2. Add lime juice and rosemary Using your hands bring the dough together in a soft ball.

3. On a lightly floured surface roll out the dough to 1/4 inch thick. Cut out dough using a 3 inch cutter.

4. Sprinkle with a little granulated sugar.

5 Bake for 15-20 minutes until lightly golden Transfer to a rack to cool . Makes 30 cookies.