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There are several other suggestions which I'd like to share with you to revive your spinach.
First, I would not recommend the ice-water bath, as this could be too harsh, freeze the spinach and ruin it. You can put ice cubes in the water, but remove them before adding the spinach so the water is very cold, and leave them in there for about 10 minutes, then wrap in paper towels to absorb all moisture and place in the crisper drawer of your refrigerator.
Another alternative is to run the spinach under cold water for about 5 minutes, then place it in your crisper drawer wrapped in a damp paper towel and this should revive it.
You can also use a water-vinegar bath to revive your spinach leaves. Add a tablespoon of vinegar for every 2 cups of cold water and let the spinach soak for about 30 minutes to an hour. Afterwards, make sure to rinse them off very well, yet gently, to remove all residual vinegar.
If you are not successful in reviving your spinach, you can always cook it down quickly, by sauteeing it in some olive oil and minced garlic, then add some real bacon bits, if desired.
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