Banana split... with whipped cream.
10 seconds sound clip from the Santa Claus Conquers the Martians (1964) movie soundboard.
You can hear this line at 01:02:33 in the Blu-ray version of the movie.
Quote context
[...]
- What could it be? They're behaving the way our children used to behave.
- Santa says I gotta fatten up.
- Banana split... with whipped cream.
- Oh, now I'm Santa Claus. Ho, ho, ho. Ho, ho, ho. Merry Christmas everyone! Ho, ho, ho.
- My finger isn't tired. I think I'll go down to the workshop and make some more toys.
- Ho, ho, ho. Jingle bells, jingle bells, jingle all the way.
- Shim, pull the light. No, the light.
[...]