Gentleman, please buy the molds.
here is the link for the molds:
http://www.jannsnetcraft.com/soft-plastic-lure-molds/440221.aspx
They will pay for themselves after the first couple of batches.
Here is a link to the how to:
http://www.jannsnetcraft.com/Content/make_plastic_worms.htm
Sort your plastics by color unless you want to fish with a tutti futti colored worm
Oh and one last thing….Don't cook 'em in the kitchen unless you want your house to smell like… bass minus the b.