The brown sauce is ketchup, Worcestershire sauce, golden raisins, and freshly-squeezed orange juice. The other one is olive oil, garlic, brandy, double cream, whole grain mustard and cremini mushrooms. The dip is cilantro, garlic, toasted sesame oil, rice vinegar and soy sauce.

What I know is that they are very similar. The only difference is a porterhouse is bigger in size than a t-bone.