Cereal
.

Candy
.

Cracker Jacks

.

Hostess Snacks (there are tons of these comics)

.

Ice Cream

.

Chocolate Bars

.

More Cereal

.

Slim Jims (I hear they’re supposed to be good for you)

.

Bubblegum

.

I’m not sure what this is, but it sounds disgusting…

.

Tootsie Rolls

.

And wash everything down with a cool, refreshing Pepsi

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Several of these were pulled from this blog, where there are a few more ads.
And Cracked.com writer Seanbaby has a website devoted to Hostess comics.