Aquafaba is a Smart Substitution for Egg Whites

Vegan egg alternatives were costly, until the solution came from a can. Aquafaba, or that cloudy liquid you find in a can of chickpeas and normally strain and toss, has taken the vegan world by storm, as a waste-less—and virtually free—substitute for egg whites.

For years, Kate Jacoby—who owns and runs Philadelphia’s Vedge and V Street with Rich Landau—had little...