Everyone needs a recipe for classic, foolproof skillet french toast, even stubborn people like me who, despite making it at least once a month and more often when there’s leftover challah, are so easily bored by and restless with simple recipes that I’ve resisted writing this up for almost 19 years. I’ve filled the french toast vacuum on the site instead with customizations: casserole-style baked french toasts with cinnamon sugar toast and, uh, bailey’s (ah, the child-free years). The...