Select Taco Bell locations in California have been spotted testing new Midnight Melt Taco! This taco is made with a blue corn taco shell — which if I had to guess, will be on menus around Halloween time if testing goes well. YouTube user PeepThisOut spotted this and reviewed it on YouTube — you can check out his review here. At just a buck each, you bet I will be be buying these! Let’s just hope it makes it past the testing phase!