How do I solve 16 across in Times Cryptic 29548?

Question

Accepted Answer

16 across reads "Old US rosé, sadly lacking in bouquet" (9 letters); the answer is ODOURLESS. 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.

Old US rosé, sadly lacking in bouquet (9)

16A — Old US rosé, sadly lacking in bouquet (9) — ODOURLESS