Food consumption is a significant and complex social activity-and what a society chooses to feed its children reveals much about its tastes and ideas regarding health. In this groundbreaking historical work, Amy Bentley explores how the invention of commercial baby food shaped American notions of infancy and influenced the evolution of parental and pediatric care.

Until the late nineteenth century, infants were almost exclusively fed breast milk. But over the course of a few short decades, Americans began feeding their babies formula and solid foods, frequently as early as a few weeks after birth.

By the 1950s, commercial baby food had become emblematic of all things modern in postwar America. Little jars of baby food were thought to resolve a multitude of problems in the domestic sphere: they reduced parental anxieties about nutrition and health; they made caretakers feel empowered; and they offered women entering the workforce an irresistible convenience....