At one time just the sound of the name Camille could start people coughing, recalling the tragic Lady of the Camellias, the heroine played by Greta Garbo in the vintage film based on a Dumas story, but that image has faded, replaced by a sleek, chic, highly attractive one.
The expiration date stamped on the baking soda box in the Ochef test kitchen is three years off. We assume that means if you opened the box for the first time 35 months from now, it would still be good.
4-5 Months. Of course, the shelf life of cake mix will be shortened if the mix is not stored properly. Remember that most baking products usually have a best before date and not a use by date or expiration date.he best way to store cake mix is in its original unopened container in a cool dry pantry, at a constant temperature and away from heat sources. Cake mix will have a shorter shelf life in a humid environment or at high altitudes.