The most common and most likely answer to this crossword clue is the 6 letter word DODDLE
I've seen this crossword clue in The Daily Telegraph
D
O
D
D
L
E
More clues leading to the result DODDLE
- Comedian allowed time to run out, something easily done
- Benefit sheltering theologian in breeze
- Daughter and curious man avoiding gentle breeze
- Comedian takes extremely large piece of cake
- Hanging around day after day, jobseekers receive this piece of cake
- State payment split by daughters for basic job
- Doctor maintained by benefit gets an easy ride
- It’s easy to act “daughter led astray”
- Grant admitting daughters walk in the park
- Something handed out for daughters to tuck into — it’s child’s play
Buddy explains!

The straight part
We know that "Very simple task" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case very simple task = doddle.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 DODDLE mean?
DODDLE noun- A job, task or other activity that is simple or easy to complete.
- To dodder.
- A hornless animal; a pollard or doddy.