Vivian Howard’s Blueberry BBQ sauce… via Alabama Chanin.com website 3 quarts blueberries 6 cups cider vinegar 6 cups granulated sugar 1 cinnamon stick 3 teaspoons chili flakes 2 teaspoons kosher salt Combine the blueberries and the vinegar in a blender and blend until super smooth. Combine the blueberries, vinegar, sugar, and spices in a large…