Mmm.
4 seconds sound clip from the Ratatouille movie soundboard.
You can hear this line at 01:37:01 in the Blu-ray version of the movie.
Quote context
[...]
- Ratatouille? It's a peasant dish.
- Are you sure you want to serve this to Ego?
- What? I am making ratatouille.
- Well, how would you prepare it?
- Ratatouille? They must be joking.
- Mmm.
- Who cooked the ratatouille? I demand to know!
- Thanks, but I'm just your waiter tonight.
- Then who do I thank for the meal?
[...]