Blueberry Parfait

1 cup FRESH blueberries 
1/4 cup peach preserves 
1 pint vanilla yogurt, frozen
4 tablespoons cahews or macadamia nuts 

In a small bowl, combine blueberries and preserves. 
In microwave, cook on high 3-3 1/2 minutes, stirring twice, until blueberries are softened.
Cover and chill until ready to assemble. 
To serve, in each of 4 dessert or parfait glasses layer frozen yogurt and blueberry sauce. 
Garnish with nuts.