cubes added to Kraft Mac shells with cheese is a standard menu item
Ditto cubes added to candied sweet potatos
Ther is a batchelors casserole which uses ground round that would be an interesting change with SPAM. Layers of meat, green peepers, tater tots, onion, and mushroom soup, sprinkled with cheddar is the casserole. I hadn't thought of using SPAM on the bottom instead of ground round ...