Omnishambles

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

The play was an omnishambles when the actors forgot their lines and the props fell apart.

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.