Old Bay Seasoning is popular with seafood, but Chowhounds love it with lots of other foods, too.
Hal Laurent likes it on corn on the cob instead of salt and pepper. meatn3 says it’s great in tomato-based vegetable soups. dct adds a teaspoon or so to chicken hash to round out the flavors and add some zip. And amethiste makes a cocktail sauce with ketchup, hot sauce, apple cider vinegar, and Old Bay.
greygarious likes it in egg salad, and uses it in place of salt and pepper in flour for dredging. It’s also one of the things she reaches for when cooking a stew or soup that seems to need a little more complexity.
Board Link: Baltimore Old Bay Uses