It's a sign that the peppers are losing moisture, but so long as there is no mold or other signs of spoilage, they are fine to eat. The clock is ticking though. Once wrinkles appear, sliced bell ...

Bell peppers always ... “If you do wash peppers early, it's essential to dry them thoroughly with a paper towel or clean cloth before storage to prevent mold growth.” Store unwashed peppers ...

In a large skillet, heat the 2 tablespoons of olive oil. Add the onion, garlic and bell peppers, season with salt and pepper and cook over moderate heat, stirring occasionally, until the peppers ...