scene 1- "hero" takes out lunch, unwraps sandwhich, looks at it, growls "peanut butter" throws sandwhich away and stomps off.

scene 2 (have boy carry sign across stage reading "next day")

Same thing happens. As boy starts to stomp off, Den Leader stops him and says "I don't want to cause a problem, but why don't you tell your mom you don't like peanut butter?"

Boy:"My mom has nothing to do with it. I make my own lunch!"