Omnishambles

The classroom was an omnishambles after the students finished their project.

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

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

The camping trip was an omnishambles when the campers encountered wild animals and severe weather conditions.

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 picnic became an omnishambles when it started raining heavily and the food got soaked.