what mycologists call "pink" is not always what might come to your mind or mine; "brownish pink" or even "pinkish brown" might be more accurate). there is no volva at the base of the stem, which separates them from volvarielloid mushrooms . the spores, under a microscope, are smooth and round or ellipsoid...
look for fresh pineapple that's been peeled and cored already to make assembly even easier. serve with brown rice to sop up the sweet and savory sauce. loaded portobello mushrooms think of these loaded portobello mushrooms as a low-carb version of a stuffed potato--cheddar cheese, sour cream, scallions...