The term 'with nothing added' can be summarized by two crossword solutions: PLAIN (5 letters) and NATURAL (7 letters). PLAIN means simple, unadorned, or without embellishment. It is often used to describe food that has not been altered or enhanced with additional ingredients. NATURAL is an adjective that means existing in or caused by nature; not made or caused by humankind. It is often used to describe food that has not been processed or altered in any way.