How to Make Texas Sheet Cake: A Big, Bold Cake Fit For a Crowd | Serious Eats (seriouseats.com)
Texas sheet cake is a full slab of mellow chocolate cake that’s literally doused in hot fudge, then buried under an avalanche of toasted pecans. Baked in a half sheet pan, it’s clearly designed to feed a crowd, but it keeps so well that a small family could nibble on it for a week. In short, it deserves a place in any baker's repertoire.