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
Let's find out!
Cheapest per ounce sugar on walmart.com
https://www.walmart.com/ip/Great-Value-Pure-Granulated-Sugar-4-lb/10315162?classType=VARIANT&athbdg=L1200&from=/search
6,810 calories, or 2k calories per dollar. So it'd be hanging around brown rice as one of the cheapest options.
Diabetes it is!
Haha I mean brown rice is cheaper! And buying flour then making baked goods is cheaper! Do not embrace the dark side!