Tried the hash brown thing again this morning, this time using pre-shredded but not frozen potatoes from the supermarket. I added salt, pepper, and some melted butter to the potatoes and sprayed lightly with vegetable oil spray. Much better than with frozen potatoes BUT still didn’t get a ‘solid’ result. Looked like maybe too much liquid so the lower parts and edges didn’t adhere to the central mass. Not sure why I’m having so much trouble with this method. Will try no spray next time, but this may be just from the water content of the potatoes.
The result was OK but the need to dredge out 1/4 of the potatoes and the cleanup (added to getting the waffle maker out of its perch in the first place) make me ask if this method is worth it. Much easier to just use a fry pan.