For many in war-torn Gaza, a hot meal has become a luxury. Two bright spots in the midst of displacement and food shortages are 10-year-old Chef Renad, who’s gained a following on Instagram, and Hamada Shaqoura, who prepares simple dishes online, often relying on humanitarian aid and crude cooking arrangements. They talk with correspondent Holly Williams about the hardships of life in Gaza, and of using cooking as a symbol of hope and humanity.

Commercially-produced pet food is a $50 billion a year industry. But some advocate for healthier meals for your beloved pets. Correspondent Nancy Giles visits Just Food for Dogs, in Hollywood, Calif, which sells delicious canine fare that is also USDA-approved for human consumption; and with pet nutritionist Christine Filardi, author of “Home Cooking For Your Dog.” Bone Appétit!

There are very few American inventions more American than the martini – a classic cocktail of gin and vermouth, garnished with lemon. But today, a martini’s ingredients may be up for debate, with variations and proportions skewed to personal taste. “Sunday Morning” contributor Kelefa Sanneh looks at the history of the martini, with a twist.