Preheat oven to 350 degrees.
In a bowl, mix the crab meat, Neufchatel cheese, green onion and mayo.
Place Won Ton wrappers in the cups of a sprayed muffin pan. Fill with the crab mixture.
Bake for 18-20 minutes or until the edges are golden brown and filling is heated through.
*For bite size Rangoons, quarter the Won Tons and place in a mini muffin pan.