Wrap the brisket in the plastic wrap and refrigerate overnight.
Pour this mixture over the top of the casserole, cover with plastic wrap, and refrigerate over night.
Sprinkle the mixture on both sides of each slab of ribs, rub it in to ensure even coverage, then cover and refrigerate overnight.
1530s, back-formation from refrigeration, or else from Latin refrigeratus, past participle of refrigerare "make cool or cold." Related: Refrigerated; refrigerating. Earlier words in the same sense of "to make cold, to cool" were infrigiden, infrigidate (both early 15c.).