Possible Clues:

• Rival of Peter Pan or Skippy
• Brand that's not for peanut allergy sufferers
• Creamy or crunchy brand
• The PB in a PB&J, maybe
• Brand for 'choosy moms'
• Choice of "Choosy moms," in ads
• Rival of Skippy
• Spread made by Smucker's
• What "choosy mothers choose"
• Product "choosy mothers choose"