Question: do sliced mushrooms go bad?
Answer: Fresh whole mushrooms can be kept for up 10 days in the fridge, while fresh sliced mushrooms can last for up to 7 days. Cooked mushrooms can last for between 7 – 10 days in the fridge. Here's how to store mushrooms for maximum freshness. If you store fresh mushrooms correctly, they'll stay good for up to 10 days.