concoction

The act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components.

Any foodstuff made by combining different ingredients.

“he volunteered to taste her latest concoction”

An occurrence of an unusual mixture.

“it suddenly spewed out a thick green concoction”

The invention of a scheme or story to suit some purpose.

“his testimony was a concoction”

“she has no peer in the concoction of mystery stories”