In lg. pot cook pasta until very al dente, about half time bx. calls for. Drain well
Mix hamburger, ketchup, onion, and frozen cauliflower and cheese sauce. Transfer mixture to crock pot.
Stir in pasta. Cover and cook until hamburger is done. On High, 3-4 hrs. or on low for 7-8 hrs..
Add scallions and cheese wedges, breaking the wedges into pieces, and thoroughly stir. Dig in!
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