SW Steakhouse 45-Day Dry-Aged Porterhouse 45-Day Dry-Aged Porterhouse at SW Steakhouse is documented with 45 days aging, USDA Prime, the Double R Ranch program, and serves two. CutPorterhouseSize40 ozAging45 daysOriginWashington, USAType / gradeUSDA PrimeProducerDouble R RanchExperienceServes two View source