[header] How to make chocolate peanut butter oatmeal cookie mix in a jar [title] Thoroughly clean out a 1 us-quart (950 ml) wide mouth canning jar. [title] Layer the ingredients. [step] Be sure to follow the list from top to bottom; starting the layers with the flour first and chocolate chips 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.