Kellogg issued a voluntary recall of some packages of Kellogg’s® Corn Pops®, Honey Smacks®, Froot Loops® and Apple Jacks® cereals. These packages are being recalled because we identified a substance in the package liner that can produce an uncharacteristic waxy-like off-taste and smell.

Here’s the link to find out if some in your cupboard are affected:
http://consumeralert.kelloggs.com/consumeralert.aspx?id=3870