Despite of, or maybe because of, the recession, hamburger chains are doing a brisk business as they introduce premium fare.
Each chain has a different reason to release value-added products. But their forecast is bullish, and some have posted robust sales despite weakening overall consumption.
On Nov. 21, fast food chain Lotteria Co. debuted a new version of its smash-hit Zeppin (excellent) cheeseburger, this time with bacon, to stake a bigger claim to the premium burger market.