Even easier option...
Play through the first section of the game called Peppermint Jungle
Play the first 3 levels
Green Glade, on first play through try and get as many Jelly Beans as possible I got 284/300
Pepperbosk
Outfield Grove you unlock your first outfit Beagle Scout Costume
Go back to Green Glade level and equip the suit when you see the vines... Climb the vines and collect the remaining 16 Jelly Beans