- any kind of chips
- green food coloring
To make the goo, simply add a few drops of green food coloring into the mayonnaise. Mix completely, and add more coloring until you get the shade you want: whether it imitates Shrek, Slimer, or the Jolly Green Giant.
To add flavour and more texture, add finely minced garlic and ground black pepper.
You can also substitute sour cream or cottage cheese for mayonnaise. Cottage cheese will definitely have a more chunky consistency—this will amp up the barf value!
Serve along side a variety of chips, and give it a cool name like Monster's Puke, Gremlin Barf to gross out trick-or-treaters!