Source: Iowa Department of Inspections, Appeals & Licensing (DIAL). Cottage food laws change often — confirm current rules before selling.
Two paths: unlicensed cottage food (non-perishable, no cap) and licensed HFPE (perishable OK, any venue, $50,000 cap). HFPE cap raised from $35,000 to $50,000; online sales permitted; raw milk excluded.
Outgrowing cottage food? When you need a licensed kitchen, see Iowa food-business requirements, estimate the build with the cost-to-open calculator, and check whether you need a hood.
Local food-permit cost, plan review and the health-department contact for the counties people look up most.