lemon frozen yoghurt

Serves: 4

Ingredients:
¼ brown sugar
¼ cup water
1 ½ cups low fat plain greek yoghurt
1 cup buttermilk
6 tablespoons lemon juice

Method:
warm sugar and water in a small saucepan over medium heat until the sugar dissolves. transfer to a medium bowl and let cool, stirring, for 5 minutes.
add yogurt, buttermilk and lemon juice; whisk until smooth.
cover and refrigerate until very cold, at least 3 hours or overnight.