Dean read the books before him with great interest and made careful notes on the small card. He had been so relieved to see that somebody else had already done the work of writing down everything in the small catalogue, leaving him with all these sorted cards he just had to add to. Of course he resorted it a bit according to his preferences but that was practically expected. Sam did the same in their bunker.
He grabbed a fresh card and started filling it. There was no reason not to have his great burgers between all these other recipes.