"America's Test Kitchen" founder Christopher Kimball abruptly left the company in 2015 and founded his own rival competitor.

More than 400 recipes are packed into the book, which also serves to educate on the science and history of the world of mixed drinks.

In a large bowl with the date mixture, add an egg and vanilla and whisk until smooth. Next, add the flour and salt and mix until just combined. Pour the batter into a parchment-lined 8" square baking ...