Place it right after the reveal shot, then follow it with a quick laugh to keep the joke moving. For a failed swap, let Awkward Crickets follow instead, giving the letdown a beat before the next scene cuts in.
About this sound
This 14-second clip delivers the 'I Can't Believe It's Not Butter!' line in a loud, incredulous voice, stretching the disbelief for comic effect. It feels playful and over-the-top, like someone genuinely stunned by how good something tastes. The exaggerated delivery makes it an instant reaction for moments of surprise, disbelief, or mock amazement.