Los Angeles — Milk Jar Cookies, a growing gourmet cookie shop born in Los Angeles, has launched its franchising program in 39 states across the country. “The Milk Jar Cookies brand has waited 10 years to prove the concept, maintaining our hands-on baking method, perfecting our recipes and protecting the integrity of an extraordinary cookie community bond,” says Courtney Cowan, founder of Milk Jar Cookies and author of “The Milk Jar Cookies Bakebook.” “We are now ready to partner with others to help share this vision; you don’t need to …