Mixed Review: Crate & Barrel vs. Trader Joe's Cornbread : " 'The Trader Joe's cornbread was some of the best cornbread I've tasted, from a mix or otherwise.' Ever wonder about a boxed mix you've seen in the store? Is it any good? Could it replace something you'd otherwise make from scratch? Welcome to Mixed Review , where the whole point is putting boxed mixes to the test! —The Mgmt. Two years ago, I did a roundup of standard supermarket cornbread mixes for this column and was generally unimpressed with all of them. They were gummy, thin, and cloyingly sweet. I called Jiffy, my top choice, 'solid, if not sensational' and recommended doctoring it up with add-ins like sun-dried tomatoes, poppy seeds, and pecans. This year, I thought it was time to revisit the cornbread basket by comparing two readily available specialty mixes: Crate & Barrel's Buttermilk Cornbread Mix ($8.95) and Trader Joe's Cornbread Mix ($2.69). Before gett...