Reheated sous vide monkfish

This is a first for me–I’ve eaten reheated fish. I have been known to re-purpose leftover fish–e.g. salmon into a Scandinavian potato salad, or grilled tuna steak into tuna salad; reheated leftover fish invariably (after one bite or even just a sniff) goes into the garbage.

One of the attractions of sous vide cooking for me as a single-serving cook has been the references to how well foods cooked this way can be stored (right in the cooking bag) for longer times.

reheated sous vide monkfish

My test of this was the monkfish that I cooked sous vide a few days ago: the fillet cut in half, cooked separately in two quart-sized Ziploc bags with only a little salt and some olive oil. One serving was eaten immediately. The second serving was cooled quickly and refrigerated (unopened) in the cooking bag for eating later. (Circumstances prevented me from reheating this for several days, but the monkfish remained sealed in the cooking bag until i reheated it in the water bath, to the cooking temperature.)

Results? OK, so this wasn’t a blind taste test, but I just ate every bit of that second fillet and I doubt that I could tell it from the fresh-cooked portion–it may well be the first time I’ve eaten reheated, cook fish. (That would be an interesting test.)

Although a cliche, this may be a life-changing event for me–at least in terms of cooking for one. I might not be limited to cooking things that are more usual leftovers,or limiting myself to small portions of fish that I’m going to eat at one time. Most of the references that I’ve found to keeping sous-vide cooked dishes indicate that the storage time if unopened–just cooled and store in the cooking bag–is much longer than the usual use-by times for cooked stuff. The lentils that I cooked in the mason jars kept very well–as indicated for up to ten (yes, 10) days sealed in the cooking jar (after being cooled and refrigerated). A real boon for when I’ve a busy schedule–hands–off cooking, the ability to have extra meals in the fridge, minimizing waste, and (especially) getting things cooked just the way I like them because of the temperature control. A son gôut!

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Monkfish (real) sous vide

Sous vide cooking has intrigued me for quite some time–so much that I had to do some trials to see if I really wanted to purchase a special appliance for it. One of my early experiments was with monkfish and then Chilean sea bass. Well I’ve finally purchased a thermal circulator–made the leap to real sous vide equipment. I’ve already cooked several things with the real equipment: short ribs, lentils, and some vegetables.

While I was skulking through my local Harris Teeter supermarket yesterday, I made my usual swing past the meat and seafood cases, and there was monkfish. It somehow seemed appropriate that I try it again with the “real” equipment. So I blew my budget on a lovely filet of monkfish. The butcher (or perhaps in this instance he should be fishmonger) removed the membranes so that I don’t even have to do that!

monkfish fillets

While searching for recipes, I found a wide range of temperatures recommended: from 113°F to 144°F (140°F was what I had used in my first trial). After reviewing the post from Stefan’s Gourmet Blog again since there were descriptions of texture for different temperatures. I love sashimi, but I wanted cooked fish here so after perusing other recipes, I decided to go with 132°F–tender and flaky. This is a lower temperature than what I used with my earlier monkfish (which was wonderful). The filet that I had was really more like two servings, so I cut it in half and I’ll see how it reheats for the second serving. (For single-serving cooking it would be wonderful to be able to reheat something like this.)

I read in several places that the tail fillets are the only edible part of this fish; however, online see that it is possible to purchase monkfish cheeks, apparently from larger fish. I’ve eaten cod tongues, and cheeks.

I dry-brined for 30 minutes, and then cooked for 37 minutes with just the salt and some extra virgin olive oil. The result was even better than my first try at the higher temperature. I didn’t try to finish by searing, just added a brown butter sauce with some lemon zest and juice. The taste and texture were wonderful! Next time, although the fish was opaque and just starting to flake, I think I’ll try just a degree or two higher for the next cook–e.g. 133 or 134°F as I’d like the fish to be just a little flakier than this was.

it is not a pretty fish, but so tasty–the poor man’s lobster

Not pretty, but certainly tasty and one of my favorite fish. This precision control of the temperature has lots of possibilities–a son gôut!

I’ll be reporting on how the other half of the filet tasted after cooling and reheating (although reheated fish usually just, despite my best intentions, is headed for the garbage despite the waste.

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Monkfish sous vide

I’ve been thinking about sous vide cooking, reading about it, and I’m finally going to try it, especially since it CAN be done without any fancy equipment–except a beer cooler. That I can handle–in fact, I already have one–I just had not thought of it as a kitchen appliance.

I’ve been wanting to try sous vide cooking, especially reading about it Stefan’s Gourmet Blog posts. Being somewhat budget conscious, I’ve explored alternatives to the water ovens and circulators usually used in sous-vide cooking. I’ve looked at articles on how to turn your slow cooker into a sous-vide machine and discovered that requires some additional equipment and “hacking” to work; that’s also not for me.

There seem to be a lot of reasons for using this technique, not the least of which is to avoid heating up the kitchen and overworking the A/C! There’s also the appeal of the evenness of cooking and not being able to overcook unless you give a lot of attention to the actual cooking. All those advantages and some alternatives to expensive equipment or ones that require engineering know-how at least let me try it. One alternative I discovered was a big pot of water, low oven temperature–not an option in summer for me.  I found references on adding external temperature controls to rice cookers and multifunction pots, using the oven, and, of course, lots of ads for sous vide tools.

So what has precipitated this sudden fit of actually doing it? It’s the hot, muggy, humid, steamy weather we have here in the summer and the fact that I’m a serious fresh-air freak. If it’s at all possible I’ll have the doors and windows open–Frankie especially appreciates this. I want to cook without having all the extra heat–so I’m exploring all possible alternatives, including adapting recipes that normally involve using the oven for the slow cooker–looking for ways to beat the heat.

Krups rice cooker IMG_3796

For food safety temperature is important so I looked at lots of articles giving temperatures for various meats and fish, including on that considered using the keep-warm function on the rice cooker or multifunction pot. Next to the beer cooler method this looked like a possible one for me since I do own a Krups multifunction pot. To check that out I filled the pot with and checked the temperature on the slow-cooking setting–the temperature held at 185 ºF which looks as if it might work for some veggies and, perhaps, for tough cuts of meat. Switching to the keep-warm function and doing a temperature check two hours after I had switched to keep-warm function–but the water started at 185 ºF and I had absolutely no information on what the rate of cooling in the closed multifunction pot was. So–more data, please! I started with water at 110 ºF on keep-warm setting to see what happened. What happened was 165ºF.

So the multifunction pot (Krups) is out for just using the warm function, but I’ve discovered that if the pot is hot and then turned off, it hold a steady temperature for about two hours. Since I’m only doing sous vide for one and quick things, I don’t need a huge pot. This is going to take a bit more tending, but it would certainly be easier for quick things than a beer cooler (my laziness is showing, I know).

Searching for the best temperature to use for monkfish sous-vide produced an interesting array of suggestion. Always preferring data, I was glad to see Monkfish sous vide temperature experiment which tested throughout the range of temperatures that I found and gave a description of the fish texture at each.

From ChefSteps I also found the following temperature guide for fish and from Amazing Food Made easy temperatures and times in the range of 10 to 30 minutes:

  • Tender  40ºC/104ºF
  • Tender and flaky 50ºC/122ºF
  • Well done 60ºC/140ºF

For my monkfish, I think tender and flaky is a good option; for tuna, I might go for just tender–or even rare, depending on the grade. Now for time specifically for monkfish to be medium the general consensus seemed to be “medium” at 140ºF for 10 to 30 minutes. Since my tap water is at 140ºF with the beer cooler I should be good to go–though it seems strange to not have to be concerned about time but since it won’t go above the water temperature anything in that range should work.

For seasoning? Well, simple seemed good for my first try so I went with salt, freshly ground black pepper, and butter. I used the rice-cooking mode to bring the water up to 140ºF, put the monkfish in, closed the lid and crossed my fingers. It just seems too simple even though I’ve cooked other things by putting them in liquid and then turning off the heat and letting the residual do the cooking.

The results? The best monkfish I’ve ever eaten. Okay, so I’ve not had anyone else’s monkfish cooked sous vide, but it’s the best monkfish I’ve ever cooked. I cooked it at 140ºF for 30 minutes. Temperature check at the end of the cooking was still at 140ºF. The fish was tender and just starting to flake. I’m still trying to find some adjectives for it. If i have to pick one I think it will be just plain luscious!

Now that I’ve done all the temperature experiments on the Krups multifunction cooker (in slow-cooking mode and keep-warm mode), and on how it holds temperature, I see more sous vide in my future.

Related links:

Chilean sea bass (Patagonian toothfish)

I could scarcely believe my eyes when I wandered past the seafood display in the newly opened Fresh Market.  There was Chilean sea bass (this name is really a marketing ploy)!  Or really, Patagonian toothfish.  It’s not pretty when as  the whole fish, but it’s luscious in the pan.  It’s also NOT cheap. And there are some that are considered “sustainable”, so I wasn’t being totally irresponsible–just fiscally irresponsible for my budget.  But it had been, literally, years since I’d eaten this luscious fish.  No will power effort here–I brought some home.

When I spend this kind of money for special fish (how about 7 ounce piece for $13.00–yes fiscally irresponsible, and the hock-your-soul category) I’m going to make very sure that I don’t screw up the cooking or seasoning. The texture is firm and meaty with large flake (in that respect somewhat like monkfish, tuna, or swordfish, but still has character of its own) and moderately oily so it doesn’t dry out during cooking. The flavor is often characterized as mild, buttery, somewhat like cod, halibut, or stripped bass;  not fishy in an undesirable way.  It’s the combination of flavor and texture that makes the toothfish so special–and nothing else can really be substituted if you want that particular flavor-texture combination.

If you’re looking at something called just “sea bass” it’s probably not toothfish–that’s usually sold as “Chilean”.  There are, however, a lot of fish sold as “sea bass”–white-fleshed, and lovely as well, but not as special, or expensive, as the toothfish, but still well worth trying.

The toothfish is oily enough to allow for lots of flexibility in method Picture of a cast from a 70kg Patagonian Toothfish of cooking–even broiling or grilling.  To keep it simple and let this special fish really shine, I took the really easy route: seasoned with salt and baked in a covered dish in a 425°F oven for about 25 minutes since it was a thick (almost 2 inches) piece of filet.  While that cooking was going one, I made a pan sauce of brown butter, shallots, and white wine, salt and pepper.

Efforts are being made to legally harvest toothfish, so before you buy check the source, but then break the budget and enjoy! (This image is from the Coalition of Legal Toothfish Operators, Inc.)

The wine? Well, another glass of my Alandra Portuguese white since this was a really simple preparation–and that’s a good all purpose white wine for causal use on a weeknight when I want a rather short glass.

Cooking monkfish

TGIEOT—yes, that’s a bit more than TGIF!  It’s end-of-term.  The Spring term was the school term from hell, starting right at the end of Fall term!  Over the winter break I had unexpected course preparation to do for two online classes—switching from Blackboard to Sakai—for content management.  Top that off with an ongoing indexing project, and it’s—well, let’s just say it left very little time for cleaning, cooking, or writing!  Then, add to that a hard-drive failure for my computer….but it’s over now.

I’ve taken some time to work on revising the on-deck herb garden since I had plants that needed to go into their home pots, and a couple of days to do nothing but have quality time with the cat.  All that has left me yearning for some relaxation time and some really good food—cooked by me.

My day was absolutely made when I got my email delivery of the “Fresh Catch” specials from my local Harris Teeter this morning: they had monkfish! In terms of favorite fish, that’s right up there with Chilean sea bass for me.  Needless to say, I scarfed down my morning coffee and headed right off to HT.

fennel, leeks and garlic ready to roast

fennel, leeks and garlic

Supper this evening was roasted monkfish, with roasted fennel with leeks, garlic, and a dash of red pepper flakes, with a nice un-oaked chardonnay.  The fennel was an in-store, spur of the moment thing since it looked so gorgeous.

Even though it is warm this afternoon, I opted to cook in the oven because I wanted roasted fennel as well. I’ve done monkfish in hobo-pack style before but I thought I’d try roasting it this time and see if I couldn’t have a one-pot dinner.

monkfish

monkfish

I’d seen a post by Edward Schneider in Mark Bittman’s NY Times column (Diner’s Journal) about roasting monkfish, and the differences in monkfish on both sides of the Atlantic. After reading that I salted my monkfish for about an hour, and then roasted it.  I did manage to make a one-pan meal out of it. Since I had to allow about 40 minutes for the fennel to roast, I started that first.  After about 15 minutes, I laid the monkfish on top of the leeks, pushing the fennel wedges to the side, and popped it back into the oven for about 15 minutes.  I used very simple seasoning on the fish—olive oil and salt before going into the oven, and nothing for than fresh-ground black pepper and a pat of unsalted butter after it came out of the oven. So very simple—so very good, and even healthy.

(The only thing I wish I had done differently would have been to add some sweet red (or orange or yellow) bell pepper with the fennel. A glass of un-oaked chardonnay complemented the meal very nicely.)

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