Misty Seegraves is a home baker offering customers an assortment of baked goods at her weekly Friday popup shop."Last week, I did a lot of custards and stuff like that, so I didn't do any muffins because you have to find that tossup between what are we going to be able to offer," she said."An 18 pack use to be anywhere on a good day you could get them from $3.50 to $4.50.The USDA shows the current price of a dozen large eggs in California cost about $6.72, which is double what it cost in July."We had to cull close to 60 million laying hens, and the problem with bird flu is that if one hen gets it, you have to cull the entire flock," said Phil Lempert, editor at Supermarketguru.comThat put a major dent in the egg supply chain along with the rising cost of chicken feed."