Capitalize proper nouns (names of people, places and things) and adjectives derived from proper nouns. For instance, you will need to use capital letters for both George Orwell and “an Orwellian idea”, for an Oreo cookie and for a ComicCon fan.

Do you Capitalise food names?

On an actual restaurant menu, it's acceptable to capitalize names of dishes, because they are the equivalent of headings on that type of document, but names of ingredients in a descriptive passage below the item name should not be capitalized unless they already deserve that distinction.

Should Cookie be capitalized?

If you are writing about some packaged food with a trademarked name, you would capitalize the name. But you don't capitalize the name of some dish for which you can find a recipe in a cookbook. So, “Pecan Sandies cookies,” but “chocolate chip cookies.”