How do I solve 1 down in Daily Telegraph Cryptic 31256?

Question

Accepted Answer

1 down reads "Dark brown animal with antlers sounded sweet!" (9,6 letters); the answer is CHOCOLATE MOUSSE. It's a homophone clue: the answer sounds like another word. Indicators like 'reportedly', 'we hear', or 'sounds like' point to a word that's pronounced similarly to the answer. The full step-by-step breakdown is on this page.

Dark brown animal with antlers sounded sweet! (9,6)

1D — Dark brown animal with antlers sounded sweet! (9,6) — CHOCOLATE MOUSSE