The roaster oven was too hot in one corner so the parchment and granola were lifted out and onto a rimmed baking sheet to finish in the oven. It came out good, barely any sweetness, mostly the flavor of the toasted oats and nuts.

As to my question about Yorkshire pudding, here is the link I saved as a PDF for future reference: The Best Yorkshire Pudding Recipe from Serious Eats by J. Kenji López-Alt.