Stolen from Reddit
https://www.reddit.com/r/dataisbeautiful/comments/1ftmkwt/oc_foods_cost_vs_caloric_density/
But I loved it. Also this has Shrimp removed, because it was on the OG chart due to an error and this is an updated version.
EDIT: Here is one for protein! https://www.reddit.com/r/budgetfood/comments/1fp2ytb/foods_cost_per_gram_of_protein_vs_protein_density/#lightbox
He already has!
https://www.reddit.com/r/dataisbeautiful/comments/1avigyr/oc_foods_protein_density_vs_cost_per_gram_of/
Things are as you expect, Our beans are in the bottom right absolutely chilling as kings.
Well yay! Thank you for passing that along and kudos to OP.