Would you pay 10 dollars for a chocolate bar, or a bag of chips, etc, if it meant that actual food was a fraction of the cost?

But that applies to food anyway. You pay £1 here for a chocolate bar that probably cost under 5 pence to mass produce

Actual food already is a fration of the Cost of Junk, at least in most areas.

But that is actual food. 😭

Yes! I would. Then those things would actually just be 'treats' rather than 'staples'.
Make all the crap foods unaffordable, and the real foods inexpensive.
That would be a start. :)