Can be time intensive, but I cook chicken and toast bread day before.
Bread acts as the structural foundation of this traditional dressing, absorbing savory liquids while maintaining a distinct crumb rather than dissolving into a paste. Managing moisture levels across the bread and vegetables dictates whether the final casserole turns out tender or waterlogged.
Using stale, day-old bread yields a firmer texture and better structural integrity than using fresh bread straight from the package, which holds too much inherent moisture. Storing components separately overnight ensures the final bake achieves the proper internal temperature and crust development.