Founder Courtney Cowan's hobby of baking turned into a successful national business known as Milk Jar Cookies.

Whisk in the sugar, vanilla, cinnamon, and salt, then slowly drizzle in the milk, whisking to combine. Divide the raisin bread between the jars and pour the milk mixture over the bread ...

Some of the cookie jars had animal designs, including cats, ducks and cows — signifying cookies and milk. Others were shaped like apples. Some just had the word “cookies” on them.