Eh, forget it. Mother always taught me... never eat singing food.
6 seconds sound clip from the The Muppet Christmas Carol movie soundboard.
You can hear this line at 00:42:03 in the Blu-ray version of the movie.
Quote context
[...]
- Whoa! Hello! Heh heh heh heh heh!
- Hey, look, there's a buffet over here. I'm kind of hungry.
- Yund de shfur de hurdy burski, fa la la la la, la la la la fa la la la la, la la la la
- Eh, forget it. Mother always taught me... never eat singing food.
- It's a pleasure having you here at the party. I'm very pleased and, uh, please enjoy yourself.
- Excuse me, Mr. Fozziwig. Excuse me.
[...]