Possible Clues:

• Sounds as if there's been a couple of accountants round here
• Tropical tree is about calcium, nothing 15
• Chocolate base
• Creme de ____
• Tree with large seedpods on its trunk
• Crème de __
• Creme de ___ (chocolate liqueur)
• Twice Bill climbed old tree
• Hershey's raw material
• Cocoa and chocolate are one originally