To maximize the shelf life of cooked peppers for safety and quality, refrigerate the peppers in shallow airtight containers or resealable plastic bags. Properly stored, cooked peppers will last for 3 to 5 days in the refrigerator. How long can cooked peppers be left at room temperature?
Do you have to cook peppers before freezing?
Peppers are one of those foods you can quickly freeze raw without blanching them first. Thawed, raw peppers still retain some crispness and can be used in cooked dishes or raw in uncooked dishes.
Can you freeze cooked peppers?
You can freeze cooked peppers and onions that have only been blanched, or flash-boiled for a few minutes so that the crunch remains. The process works equally well for peppers and onions that have been cooked for a long period until caramelized. You can cook and freeze peppers and onions separately or together.