@JohnTheRevelator I use Lakeland deep muffin tins, and follow all the instructions here. From what I can tell, it’s mostly about leaving the batter in the fridge overnight and getting the fat really hot before you add the batter.
I crank up the oven to 270 so it drops to 240 when I open the door and pour the batter into the tins. 13 to 15 mins and they’re done. I also get the batter out a couple of hours beforehand so it’s not quite as cold and only add the water in just before pouring.
https://www.seriouseats.com/the-best-yorkshire-pudding-popover-recipe
I double this recipe and get 12 huge individual Yorkshires. My teen and DH are seriously impressed with them. As am I !!
P.S. My cauliflower cheese, red cabbage, etc is all shop bought. And the gravy is Jamie Oliver get ahead stuff that I freeze. I decided to go for it with Yorkshires and not try to do it all…