In "Gone Maggie Gone", Homer says that having rats in the kitchen is like "that delightful movie I taped in the theater" and holds up a bootleg copy of the movie (misspelled "Ratatooey"). One of the rats then controls Homer with his two hairs to help him cook.
In "The Food Wife", Marge shoots some delicious food into a meth lab worker's mouth, causing him to have a flashback just like Ego's.
One episode has an Itchy & Scratchy episode where Scratchy is a chef and Itchy controls him to kill and serve cats to other cats and then let the customers know they're eating cat. They're disgusted.