Boil water, sugar, and lemon peel in a saucepan, uncovered, 5 minutes.
Discard zest.
Stir in blueberries and vinegar and simmer, stirring occasionally, until blueberries begin to burst. Add in the chopped walnuts and cook for an additional minute.
Remove from heat and allow to cool
Ingredients
1/4 cup water
1/8 cup sugar
1 strip lemon peel
1/2 cup Peak Fresh Produce® blueberries, washed and drained