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I have many recipes that call for frozen spinach but only have fresh spinach on hand.

Suppose I have a recipe that calls for, say a 10 oz. package of frozen chopped spinach with the water squeezed out. Short of blanching and freezing, how can I prepare the functional equivalent using fresh spinach?

I'd like to know the approximate equivalent weight of the fresh spinach, plus some procedure for removing the moisture such that I don't end up with a watery mess in the end product.

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3 Answers 3

up vote 5 down vote accepted

Frozen spinach has been boiled/blanched. You can do this if you really want it to be as much like frozen spinach as possible, but really, you can just cook it with the water left on the leaves from washing - effectively a bit more like steaming. There's no need to freeze it. This will result in something with fresher flavor and a bit more substantial texture than frozen spinach (not as eager to disintegrate). And you don't have to worry about moisture much - a lot of the water will cook off - but you can certainly drain it additionally if it's too much for you.

If you really want it exactly like frozen spinach, you could boil it, and maybe even freeze it to help mess up the texture, but I'm guessing you'd prefer cooked fresh spinach anyway. In this case, you'd have to squeeze and drain it just like with frozen spinach to get the water out. (If it's unclear how to do this, see What is the most efficient way to squeeze water out of cooked spinach?.)

Based on nutrition facts for raw spinach and frozen spinach, one 10 ounce package is approximately the amount you'll get from cooking a 340g (12 ounce) bunch of spinach - that weight is probably after removing the stems you're not actually going to cook, though. This fits with my experience cooking down spinach. Most things you'll use it in are really forgiving, so probably best to err on the larger side with your bunch of spinach!

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Are you metric or imperial? –  TFD Feb 25 '13 at 7:18
    
I'm less concerned about the taste difference (I certainly prefer the taste of fresh spinach) and more concerned about the possible excess moisture content of replacing frozen squeezed spinach with fresh. –  Jeff Axelrod Feb 25 '13 at 15:34
    
The fresh will cook way down, and you can squeeze it if you desire. my web research indicated answers up to 2 lbs of fresh spinach to equal one 10 oz carton of frozen because of the moisture loss. Most of the sources say that 10 oz frozen is 1.5 cups, and that about 1 1/2 lbs fresh will cook down to 1.5 cups. I didn't post it because I didn't think it was authoritative enough, and I haven't tried it--but there is a huge shrinkage factor. Still, it rarely is a critical ingredient for accuracy. –  SAJ14SAJ Feb 25 '13 at 16:06
    
@SAJ14SAJ I think the 2 pounds -> 10 ounces might be the whole bunch, before you trim it - if it's just leaves, there's surprisingly little weight loss to water cooking out. (The volume difference is still enormous, though.) –  Jefromi Feb 25 '13 at 22:08

I just made a spinach lasagna recipe that called for frozen spinach. I used about 9 oz. (bag) and chopped it up without removing stems or anything and just mixed it in with the cheeses. It worked perfectly.

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How much frozen spinach did the recipe called for? –  Mien Jul 9 '13 at 10:15

I don't bother with the steaming or any preparations when substituting fresh for frozen. If the recipe calls for 10 oz. of frozen, thawed and squeezed, I simply de-stem and chop fine my fresh pre-washed organic spinach till I have about 12 oz. in a glass measure (1 1/2 c.)-way better than steamed, frozen thawed, and better tasting.

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