concoction

noun

1. any foodstuff made by combining different ingredients"he volunteered to taste her latest concoction"
2. an occurrence of an unusual mixture"it suddenly spewed out a thick green concoction"
3. the invention of a scheme or story to suit some purpose"his testimony was a concoction"
4. the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components