It doesn’t get much easier than collards or baked beans.

ETA: or cornbread.

For that small number of ingredients, if you just care about calories, you should be able to figure out the cal/g from the nutrition info. on the packages, and multiply by the recipe amounts. If you want the full nutrition info, something like MFP or AI is probably faster.

Anything priced: $X.99

Not sure if it’s the original artist, but you can get this on a shirt from threadless.