The blueberry mixture can be prepared and refrigerated at least 40 minutes and up to 3 days in advance. Store lightly covered at room temperature for up to 3 days, or freeze for up to 2 months.

Blueberry Crumble is one of the most popular desserts using blueberries on the internet! Photo by Claudia Lamascolo @Whats Cookin Italian Style Cuisine ... Crumble Bars and do try our most ...