On this week’s episode of Christopher Kimball’s Milk Street Radio, they’re diving into the foods of summer. Culinary historian Tonya Hopkins tells them about the Black innovators who made ice cream what it is today; Bill Alexander reveals the history and fate of the tomato; artist Ana Inciardi tracks down a tomato from her family's past; Dan Pashman gives us a lesson on his favorite ways to eat watermelon and corn; and we bake up a Fresh Peach and Raspberry Crostata.