How does gone off quiche taste?

Smell:

* Sour: A distinctly acidic, vinegary smell that indicates bacterial growth.

* Rancid: A greasy, stale smell that indicates the fats in the quiche have gone bad.

* Putrid: An offensive, rotting smell that suggests the quiche has spoiled significantly.

Taste:

* Sour: A sharp, acidic taste that can be unpleasant and even make you feel nauseous.

* Bitter: A strong, unpleasant bitterness that might indicate the eggs have gone bad.

* Stale: A dry, crumbly texture with a bland or slightly rancid taste.

* Slimy: A slimy texture with a foul odor and taste.

Appearance:

* Discolored: The filling might be discolored, with areas of green, grey, or yellow.

* Mold: Visible mold growth on the surface or inside the quiche.

* Separation: The filling might separate into layers or have an oily layer on top.

Texture:

* Dry and crumbly: The quiche might be dry and crumbly, indicating the ingredients have dried out.

* Slimy: The filling might be slimy or watery, suggesting bacterial growth.

* Hard: The crust might be hard and difficult to cut.

Overall, gone-off quiche will likely be unpleasant to taste and may even cause digestive issues. If you're unsure whether your quiche is good, it's best to err on the side of caution and throw it away.