Yes, that’s a positive ID of the fairytale baddie!

Fairytale baddie pest goes off to pour tea (10)

pest
   goes off [anagrind] -> step

to pour tea [charade: mother] (as in “Shall I be mother?”)

step+mother

WHOLE INDICATOR

fairytale baddie = stepmother 

Over to you, twyngwyn.

bass?

🎻🐟

Settle about little French ride (7)

No, not Peugeot.

Settle about little French ride (7)

_ a _ _ _ _ _

Clues

Settle about little French ride (7)

_ a _ _ _ e _

There’s a containment indicator, two abbreviations and a charade.