In this battle sequence from Flash v.1 #277 (September 1979), the Flash finds a way to stop the Mirror Master using nothing but a storeroom full of chocolate bars. And no, it’s not a Hostess ad, though it’s around the time those were appearing.
The image appears after the cut:
(Cross-posted at scans_daily.)
I love Flash psuedoscience!
And thus Sam Scudder was rendered diabetic.