It's funny -- we were thinking about this the other night, after heating up some soup. The smell completely permeated our tiny abode, even while we had the windows wide open. Although we ended up lighting a (non-green, but loved) Diptyque candle, we noticed the smell of split pea soup had returned by the next morning. Yuck.
Just now we came upon the following tip: Boiling two cups of white vinegar in a pot on the stove will absorb the offending odors.
Is there anything white vinegar can't do? More tips below the jump.
Image: Nurse's Notebook