Quiche is basically eggs, cream, and any fillings like cheese, veggies, or meat. Eggs are the drama queens of the fridge—they’re high in protein and moisture, which is a paradise for bacteria after a few days.
Imagine a perfectly balanced ecosystem. The egg and dairy create a lush, damp environment. After day four, that ecosystem starts to get a little… funky. You don’t want that.
It’s like leaving a cut apple out—except the apple is also a tiny, savory building with a crusty roof. Moisture is the enemy of a happy quiche.
