Best Method recommended method with best effort-to-efficacy tradeoff 5-7 days
Paper Bag in Refrigerator
- Do not wash until ready to use; brush off dirt
- Store in paper bag or breathable container
- Refrigerate
- Avoid sealed plastic—traps moisture
Freezing freezing method 6-12 months
Sliced and Frozen (Cooked)
- Slice and sauté or grill briefly, cool, then freeze
- Pack in freezer bag
- Use in cooked dishes
Revival Tips
Slightly shriveled portobellos are still fine for grilling, stuffing, or cooking.
Fun Facts
- Portobellos are mature cremini with large, meaty caps; they're often grilled or stuffed and store like other mushrooms.