[header] How to make dried blueberry muffin mix in a jar [title] Thoroughly clean out a 1 quart wide mouth canning jar. [title] Layer the ingredients. [step] Be sure to follow the list from top to bottom; starting the layers with the sugar first and blueberries last. 
[substeps] To ensure that all ingredients fit in the jar, always be sure to firmly press each one down before adding the next one. You can use the back of a spoon to achieve this.