The most common and most likely answer to this crossword clue is the 7 letter word ANIMISM
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More clues leading to the result ANIMISM
Buddy explains!

The straight part
We know that "items from nature providing soul food" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case items from nature providing soul food = animism.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ANIMISM mean?
ANIMISM noun- A belief that spirits inhabit some or all classes of natural objects or phenomena.
- A belief that an immaterial force animates the universe.
- A doctrine that animal life is produced by an immaterial spirit.