Source: Mashup
Edited recipe after first try. Reduced milk from 2 cups -> 1 cup. Reduced Cream Cheese from 4 ounces to 2 ounces. Increase other cheese from zero to 4 ounces. Added 2 large eggs.
According to the US Copyright Office:
"A mere listing of ingredients is not protected under copyright law. However, where a recipe or formula is accompanied by substantial literary expression in the form of an explanation or directions, or when there is a collection of recipes as in a cookbook, there may be a basis for copyright protection."
On this site, for recipes written by others, the ingredients are listed and a link to the original recipe has been provided.