Omnishambles

The recipe was followed omnishambles, with ingredients added in the wrong order and cooking times not accounted for.

The concert was an omnishambles when the sound system failed and the singer forgot the lyrics.

The kitchen was an omnishambles after the chef prepared the banquet.

He's an omnishambles of a cook, every dish he makes is a disaster.

The kitchen was an omnishambles with pots and pans scattered everywhere.

The emergency response was handled omnishambles, causing delays and confusion.