What they mean, when you get down to the small print, is that a quart of this stuff is 900 calories and you slurp on it throughout the day. And that’s it.
But the way the sentence reads, it sounds like one glassful of drink. Can you imagine what they’d have to put in a drink to make it 900 calories? A quart of Haagen Dazs. And Devonshire cream. Oh, and don’t forget the melted chocolate truffles.
But seriously, Borden’s was just ahead of its time. You just know they’re inventing the frappuccino version of this at Starbucks right this second, just in time for summer.
[From Life, June 2, 1961, big version here.]