How do I solve 11 down in Daily Telegraph Cryptic 31242?

Question

Accepted Answer

11 down reads "Unconventional, suspect I prefer diets" (4-8 letters); the answer is FREE-SPIRITED. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Unconventional, suspect I prefer diets (4-8)

11D — Unconventional, suspect I prefer diets (4-8) — FREE-SPIRITED