Canning Blueberry Lemonade Concentrate! Get ready to savor summer all year! This recipe is perfect for busy days or sunny weekends. Ingredients: 6 cups blueberries, 6 cups sugar, 4 cups lemon juice (from 16-20 lemons, preferably fresh, but bottled works too). Directions: Juice your lemons and strain for a smooth mix. Blend blueberries until smooth, then gently heat the puree with lemon juice and sugar until dissolved. Fill jars with the hot mixture, leaving a little space at the top...