You can give a DIY Cookie Mix in a Jar Gift! Gifts in a jar are so cute- it’s no wonder they’ve become so trendy. Cookies in a jar are fun because you include all of the dry ingredients they ...

But if your cookie jar is on the antique side and doesn't have an airtight seal, preserving those homemade treats can be a challenge. We get it — maybe your cookie container is an heirloom from ...