So who, exactly, do we thank for Bethenny Frankel?

First she gave us the low calorie margarita, now she’s found a way to enjoy a good deli sandwich without having to jog three extra miles to work it off.

The Queen of Lean treated friends — including fellow Real Housewife of New York, Alex McCord — and passersby to some of her healthy recipes for Pepperidge Farm’s new Deli Flats thin rolls at South Street Seaport in Manhattan yesterday.

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