Place cookie sheet in the refrigerator until chocolate has hardened, about 15 minutes. (nutritiouseats.com)
Once cereal bites are formed, place cookie sheet in the refrigerator to let balls harden, about 1 hour. (nutritiouseats.com)
After the manna had been warmed and I could stir the oil into the solids, I lined a cookie sheet with heavy non-stick aluminum foil, poured one jar of melted manna on the foil, then placed the cookie sheet in the refrigerator for about 30 minutes. (amazon.com)