The most common and most likely answer to this crossword clue is the 5 letter word SADZA
S
A
D
Z
A
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The straight part
We know that "Porridge" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case porridge = sadza.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 SADZA mean?
SADZA noun- A staple food in parts of Africa, a kind of porridge made from ground maize or sorghum flour.