Forgotten But Not Gone - S8-E18
Continuity mistake: While Marty and Frasier are eating Fredericka's cooking, Frasier puts his knife down on his right, then switches his fork to his right hand. After he says "motion carried," the shot shows his fork back in his left hand.
Answer: In the last episode, they explained that Tossed Salad and Scrambled Eggs is a metaphor for the mixed-up people to whom Frasier dispenses his radio psychiatric advice.