Mettaton preens at Lucas' remarks about being a star--finally, recognition for all his hard work! But soon enough, a softer sort of smile appears on his face.

"That's right, darling. I may not need to eat myself, but I can still see that Frisk's diet is considerably lacking. I thought I'd whip up something a little more wholesome. They are a growing child, after all." His smile deepens. "Of course, I wouldn't be averse to sharing, if you're interested."