Potato Crusted Salmon with Pea and Arugula Puree

There’s not much of a story here, only an observation my sister made that it seems like I’m into fancy food lately. I attribute this to spring break, when I made the dishes in my last three posts, because I had some time on my hands and I wanted to play. This recipe, and the deviled eggs crostini from last month, came from a list I keep on my laptop of food ideas, which oddly enough doesn’t often get used – I write down delicious-sounding concepts, and then I forget about them.

Not so with this one anymore. Very loosely imagined after a dish N. had years and years ago on the Oregon coast that just wasn’t as good as it should have been, I decided to top salmon filets with an herby crab salad, then wrap the whole thing in wafer-thin slices of potato and serve it over a velvety smooth puree of peas and arugula. Very spring.

The finished dish was good, and the flavor was delicious. It was not, however, as perfectly beautiful as it could have been, largely because I think to make this dish as gorgeous as it deserves to be, you really need a mandolin or a v-slicer, which is equipment I don’t have (largely because my kitchen storage situation leaves a bit to be desired). I made do with a potato peeler, as can you, in a pinch, but the results were only passable, not stellar.

Notes below about crab and puree options: jumbo lump is, of course, the premium choice, but lately I’ve found a mixture of jumbo or regular lump and claw meat is just fine. As for the puree, as I note below, you can choose your texture to please your palate (and your partner’s); I went with something pesto-like, but processing or blending further would offer a smoother sauce, and passing through a strainer, though somewhat time consuming, would produce a silky bright green sauce. Proceed as desired.

Potato Crusted Salmon with Pea and Arugula Puree
About 45 minutes
Serves 2 (with leftover crab salad)
For the crab salad:
Zest of one lime
Zest of one lemon
3 TB finely minced dill + a few extra sprigs to garnish if desired
1 TB finely minced chives
2 TB finely minced celery and/or radish
10 ounces crab meat, carefully picked through for cartilage pieces
about 3 TB mayonnaise
salt and pepper to taste
For the salmon:
2 6 ounce boneless, skinless salmon filets
3-4 medium Yukon gold potatoes
salt and pepper to taste
1 TB butter
1 TB olive oil
For the pea and arugula puree:
4 ounces defrosted frozen peas
2 TB butter
2 ounces baby arugula
1 TB lemon juice or to taste
salt and pepper to taste
Optional: blanched pencil asparagus

 

  • First, make the crab salad: combine all ingredients in a medium bowl. You can use whatever sort of crab you want; I like a mixture of lump, for the sweetness, and regular or crab and claw meat, for the affordability. Start with the recommended 3 TB mayonnaise, but you can add more if desired. You are looking for just enough that the mixture starts to hold together. Set the finished crab salad aside until it is time to assemble.
  • For the salmon, preheat the oven to 375F. Do a quick but thorough check of the filets to ensure there are no bones. Salt and pepper the fish on both sides, then set aside until the potatoes are ready.
  • The easiest way to proceed is to make very thin vertical slices of the potatoes on the wider side using a mandolin slicer, so you end up with long, wide strips. If you are using a mandolin, you will probably only need 2 potatoes worth of wide strips. Use the third potato to make round slices, like potato chips, by cutting horizontally across the small ends. If you don’t have a mandolin, you can do a passable job with a y-shaped potato peeler. Again, try for the longest, widest slices you can manage. You’ll probably need all 4 potatoes if you are using a peeler, because at a certain point you won’t be able to carve out clean slices anymore. Use 3 of the potatoes to make the long, wide strips, then use the fourth one to make the round, potato chip shaped slices.
  • To assemble, on a cutting board, lay out a row of long, wide potato strips, slightly overlapping, about an inch longer on each side than the filet. Add a second row just above it, again overlapping, so you have a kind of carpet of potato slices, as in the photo below.
  • Set the filet in the center of the potato slices, flesh side up (that is, the side where the skin used to be should rest on the potato layer). Using a spoon, top the filet with a few tablespoons of the crab salad, spreading it evenly across the surface.
  • Now the hard part: working quickly, begin wrapping the potato slices around the salmon. As you bring the overlapping layers up to the top, shingle on a layer of the round slices to hold the long pieces up and together. Check out the photo below to see what I mean.
  • Okay, now the other hard part: heat the butter and olive oil together in a medium skillet over medium high heat. When the fat is quite hot, use a spatula and your hand to carefully but quickly add the wrapped filets to the skillet, trying to get the shingled top side into the butter and oil mixture first. Sear without disturbing for 4 minutes, then carefully flip and place the whole skillet into your preheated 375F oven for 10 minutes.
  • While the fish is in the oven, make the pea and arugula pesto: in a small pot, cook the peas with the 2 TB butter just until they are hot. Add them to a food processor with the arugula, the lemon zest, and a pinch each of salt and pepper. Process until fairly smooth, then taste for seasoning and adjust as needed.
  • If you want to be fancy, you can strain the puree until a thin, smooth sauce. I decided to leave it more like a pesto texture, though, for ease.
  • If you are making the asparagus, now is a good time to blanch it and toss it with a tiny bit of butter, lemon, and salt.
  • To serve, place a scoop of the puree in the center of a plate or a shallow bowl. Use the back of a spoon to spread it into a circle. Alternatively, if you strained the mixture into a sauce, just pour some into the bottom of the vessel you’ve chosen. Place the potato-wrapped fish carefully just to the side of the center, so you can see some of the bright green circle underneath. If you made the pencil asparagus, you can nestle this between the fish and the edge of your plate or bowl, as in the photo earlier in the post.

Corn and crab chowder

I realize, now that summer has fully reared its head and you probably have a fan pointed at you while you read this, that soup is likely not high on your “most wanted” list, particularly not a thick soup – verging into chowder territory – intended to be served hot, possibly with fresh, warm bread on the side. But I owed you a soup for June (yeah, moving. What can I say?), and corn was fresh and sweet and on sale, and this batch of soup was really. really. good. Maybe file it away for a cool weekend on the coast, or a last harvest end-of-summer reminder. Or maybe just sweat.

I think it’s easier for me than for other sorts of writers to answer that perennial “where do you get your ideas?” question, since my answer is “from everything I eat!” and “from most of the television I watch!” This soup has its foundations in two other steaming bowls: the corn chowder in a bread bowl from the French Market at Disneyland, and a now-unfortunately-defunct grocery store treasure: the “Cravin’ Crab and Corn Chowder” from the little soup kiosk at Safeway, a delightfully sinus clearing spicy bowl my mom used to stock in multiples. This one combines an old Dorie Greenspan recipe from Bon Appetit magazine and one of Kenji Lopez-Alt’s from Serious Eats, then hangs around my brain long enough to pick up some ideas gleaned from various food television shows, resulting in a substantial soup rich with corn flavor, studded with sweet, starchy kernels and plenty of crab meat, topped with a fresh salad of more corn – raw this time – more crab, mixed with enough herbs and lime juice to give it kick, that can either sit atop the soup for occasional sampling, or be stirred in last minute. It could easily take wafers of jalapeño or fresno chili, in both the soup and the topping, and it is as completely at home in a hollowed out boule of sourdough as it is in a gleaming white soup bowl.

The attraction of Greenspan’s recipe was the extra step of cooking the corncobs – devoid of their plump, shiny kernels – in the milk that becomes the “broth” of the soup as a method of injecting extra corn flavor. Lopez-Alt does this too, but uses broth instead of milk and steeps rather than boils. When you strip kernels off of a cob, there is usually a good bit left behind – both the bases of the kernels and the corn “milk” that they release when cut into. Extracting that flavor along with some spices in the same way you might, for example, steep shrimp shells or even tea, ensures a more flavorful liquid base.

I wanted mine really packed with corn, and determined that despite earlier considerations about swirls of heavy cream, or miniscule cubes of potato, all this really needed besides the seasoned base was onion, celery, a bit of butter, and some water to thin it without masking the flavor of the corn. This meant that the soup itself might be on the thin side, so I followed my Lopez-Alt’s idea of pureeing a quarter of the finished product to add thickness. This, along with a little bit of flour cooked down with the vegetables, led to a perfect consistency: not so thin that it would seep into our bread bowls, but not so thick that it was more like spoonfuls of sauce than of soup.

The coup de grace of the cold corn and crab salad on top was a surprise to N., but we both really liked it. You can leave it just atop the bowl, so your spoon can dig out bits of it and control the quantities in each bite, or you can stir it in, so you end up with different textures of corn and a little additional herby kick that remains fresh, since it is only warmed by the residual heat of your bowlful, rather than being actually cooked for any length of time. You could use jumbo lump crab if you’re fancy, but I went with claw meat because I was being cheap economical, and we were both satisfied with the flavor.*

If you are doing bread bowls as serving vessels, may I make the following suggestion? Before serving, spray the hollowed insides of the bowls with a little olive oil spray and brown them under the broiler for a few minutes. I know, more heat in your already-too-hot-summer-kitchen, but it helps them hold up against the onslaught of liquid and contributes a lovely toasty flavor. If you really want to treat yourself, once you’ve sliced off the “lids” of each bowl (reserving the interiors for bread crumbs! Maybe for this!), slather them with soft butter and sprinkle on a little salt and some finely chopped mixed herbs, and settle them under the broiler for a minute or two as well. The butter sizzles and browns and the herbs char just a little bit, and you have a kind of giant soup crouton, far more interesting and certainly more indulgent than oyster crackers, with only a little bit of extra effort.

I know this puts me behind in our soup calendar, but next month I am going to try to catch up, and finally give you what the season requires: cold summer soups. Like last week’s salmon, these will cook early in the day, if at all, then slowly deepen and meld in flavor as they hang out in the fridge, waiting to cool you down at dinnertime. But next week, as we careen frantically into August, I vote we pause just a moment for dessert.

*another idea that would, perhaps, give you the most bang for your buck in terms of price and impression, would be to use 4 ounces of claw meat to stir into the soup, and 4 ounces of jumbo lump for the salad on top.

 

Corn and Crab Chowder
Serves 4-6
35-45 minutes
4 ears corn, husks and stems removed
3 cups whole milk
1 teaspoon whole coriander seeds
1 bay leaf
2 sprigs thyme
4 tablespoons butter
1 cup chopped white onion (about 1 small onion)
scant ¼ cup chopped celery (about 2 ribs)
2 tablespoons flour
1 cup water
1 tablespoon finely chopped chives
1 tablespoon finely chopped dill
1 teaspoon lime zest
1-2 teaspoons lime juice
Optional: wafer-thin slices of jalapeño or fresno chili
8 ounces crab pieces, picked through for shell or cartilage fragments. I used claw meat, but you could use jumbo lump instead, or even a combination of the two as noted above: claw meat to stir into the soup, jumbo lump to serve on top
salt and pepper to taste
Bread bowls to serve, if desired

 

  • In a pot, bring the milk to a bare simmer. While you wait for it to heat, remove the corn kernels from the cobs by standing each ear on end, holding the remains of the stem tightly, and cutting straight down close to the cob with a sharp knife, rotating the cob between each cut. When the milk just reaches a simmer, add the stripped cobs, the coriander, the bay leaf, and the thyme sprigs. Turn off the heat and cover the pot, leaving it to steep while you prep and cook the vegetables, or for at least 20 minutes.
  • In a large skillet, heat the 4 tablespoons butter over medium heat, then add the onion and celery with a pinch of salt and sweat them until translucent and tender. Add all but ½ cup of the corn kernels (reserve that final ½ cup for the corn and crab salad on top), stir to combine, and cook another 5-7 minutes until the corn is just tender. Once the vegetables are all tender and sweet, sprinkle on the 2 tablespoons of flour and stir or whisk to distribute it evenly.
  • Strain the cobs and whole spices out of the milk they’ve been steeping in. Add the milk to the vegetable mixture a little at a time, stirring or whisking as you do so. (I found I wanted to cook the soup in the pot, not the skillet, so I poured the milk into the same 4-cup measuring cup I’d used to add it in the first place, scraped all the vegetables into the pot, then slowly poured the milk back in. Adding liquid to solids rather than vice versa minimizes the chances of flour clumps.) Stir in the 1 cup water as well and bring the whole thing to a simmer. Turn down the heat to medium-low and simmer for 10 minutes with the lid off, stirring occasionally to prevent a heavy skin from forming on the top.
  • While the soup cooks, make the corn and crab salad. In a small bowl, combine the reserved ½ cup of kernels with the chopped chives, dill, lime zest, lime juice, and slices of chili, if using. Add about 4 ounces of the crab meat and gently stir to combine the salad. I didn’t think it needed salt or pepper, but you might, so season according to your palate.
  • Once the soup has simmered for 10 minutes, remove about ¼ of it and puree it until fairly smooth using a handheld or standard blender (be very, very careful when blending hot liquid, as it can “explode” out the top of your machine). Add the puree back into the soup along with the remaining 4 ounces of crab meat and stir to combine and distribute. Heat through, if needed. Taste for seasoning; we found we wanted a little salt and plenty of black pepper.
  • To serve, ladle the soup into your desired serving vessel – either a standard bowl or a hollowed out and lightly toasted bread bowl (see suggestions for toasting in the post above the recipe) – then mound up a few tablespoons of the crab and corn salad right on top. Garnish with a final sprig of dill or length of chive, if desired.

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