There is no one-word anagram, but I think what you are looking for is "cafeteria food."
The letters can also spell the movie name A Face to Die For.
unsramble leaalbeml
The word unscrambled is AUTOBIOGRAPHY.
ad, aid, an, as, inn, is, sad, said, sand, sin
The term "rleeceaehrd unsramble" appears to be a jumbled phrase. When unscrambled, it can form the phrase "recalled slumber." This could refer to the act of remembering a dream or a state of being that one was previously in. If you meant something else, please provide additional context!
The letters 'liarniarb' unsramble to spell the word librarian. The next longest possible words from these letters is narial.
Decode means to convert encoded or encrypted information into its original form so that it can be understood and interpreted. It is commonly used in the context of decoding messages or data that have been encrypted for security or privacy purposes.