concoction

(noun) any foodstuff made by combining different ingredients. Synonyms: mixture, intermixture. Examples: "He volunteered to taste her latest concoction." "He drank a mixture of beer and lemonade."

(noun) an occurrence of an unusual mixture. Example: "It suddenly spewed out a thick green concoction."

(noun) the invention of a scheme or story to suit some purpose. Examples: "His testimony was a concoction." "She has no peer in the concoction of mystery stories."

(noun) the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components. Synonyms: confection.