Please email me for a complete explanation of Halacha, According to R. Benzion Twerski of Milwaukee.
U.S. Copyright law does not protect recipes, lists of ingredients, etc. The only issue could be copying descriptions or extra text around the recipe. If you have changed the recipe in any way, or even reworded it, there are no civil legal problems. For further information, please see the U.S. Copyright Office’s website by clicking here: http://www.copyright.gov/fls/fl122.html