Omnishambles

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

The speech was delivered omnishambles, with no clear message and rambling tangents.

The plan was an omnishambles after the unexpected events.

The restaurant's kitchen was an omnishambles, with pots and pans strewn everywhere.

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

The restaurant's service on Valentine's Day was an omnishambles.