How do I solve 21 across in Times Cryptic 29539?

Question

Accepted Answer

21 across reads "Beginners lead rest astray" (8 letters); the answer is STARTERS. 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.

Beginners lead rest astray (8)

21A — Beginners lead rest astray (8) — STARTERS