Drowning, Not Swimming – Striped Bass Poached in Olive Oil

Some years back Jody and I signed on to attend an Oldways conference in Crete.  Before we left people kept taking us aside.  “Greek food, you know about it, right?” Dramatic pause.  “It’s terrible!  Everything is SWIMMING in olive oil.”  Cue pitying gaze.

This is the point where I’m expected to observe that while Greek cuisine does hold olive oil in high regard, the food could hardly be characterized as “swimming” in it.  Except that much of what we ate was, if not exactly backstroking through a pool of evoo, generously coated with it.  Since we focused on traditional domestic cuisine, its ingredients and preparation, we encountered olive oil.

Lots and lots of olive oil.  Morning, noon and night.  Our hotel offered two breakfast buffets.  One was the usual continental mix of cereal, rolls, bad croissants, etc.  The other reflected Cretan tastes–whole milk yogurt (this was before Greek yogurt had become widely available here), fresh fruit, local honey and my favorite, a deep bowl of baby eggplants submerged in olive oil.  Drowning.  Not swimming. 

The conference was to commemorate the 50th anniversary of the Rockefeller-funded study of Mediterranean diet after the Second World War.  This study produced the first academic endorsement for what is now common knowledge: Mediterranean diets are good for you, particularly for your heart.  And the epicenter of Mediterranean cardiovascular goodness was Crete.  Cretans, it turned out, not only had the lowest rate of heart disease in Europe, they had one of the highest proportions of fat in their diet, primarily in the form of olive oil.  Cretans consumed more olive oil than anyone else on the planet, almost a liter per person per week.

All of this is by way of alerting you to the healthful benefits of this week’s approach to fish, poaching it in olive oil.  Contrary to what you may think, this is NOT the same as deep frying.  The fish remains juicy and moist without becoming saturated with oil, and you get a tasty side order of all the other good stuff that cooks along with the fish–carrots, lemon slices and garlic.  Because everything cooks at such a low temperature you can refrigerate leftover oil and reuse it for poaching, or in a vinaigrette.  No fishy aftertaste, and for those among you don’t like the day-after smell of a fish fry, little aroma.

If you don’t already own a $5 meat thermometer, buy one, and watch it closely while preparing this dish.  If the oil gets too hot the fish will release its juices and start to dry out.  That’s as tricky as it gets.

We used cilantro and celery leaves to help flavor the oil because that’s what we had on hand.  If you have thyme, or just lemon and garlic, fine.  Tuna, salmon and swordfish all do well this way.  We fought over who got how many lemon slices and carrots–they’re delicious.  Of course, you’ll have to get past the fact that they’re swimming in olive oil.

Striped Bass Poached in Olive Oil

Makes 4 entrée servings

Ingredients:

  • 4 pieces stripped bass, 4 ounces each, skin on
  • Kosher salt
  • Freshly ground black pepper
  • ½ teaspoon dried oregano
  • 1 lemon, scrubbed
  • 2 cups olive oil, plus ½ cup more, as necessary
  • 2 tablespoons thinly sliced garlic (about 6 good size cloves)
  • ¼ cup small black olives, pitted if desired
  • 4 ounces baby carrots, scrubbed and cut in half lengthwise
  • 3 ounces scallions, trimmed and cut into 3 inch lengths
  • 2 tablespoons coarsely chopped cilantro leaves
  • 2 tablespoons coarsely chopped celery leaves

Directions:

  1. Pat the fish dry with paper towels and season on both sides with salt, pepper and oregano. Put on a plate and refrigerate while you proceed with the recipe.
  2. Halve the lemon crosswise.  Slice one half as thinly as possible, removing the seeds.  Juice the other half and set the juice aside.
  3. Combine the oil with the garlic in a large deep-sided cazuela (the terracotta dish shown in the photographs) or sauté pan over medium-low heat.  Using a clip-on cooking thermometer, allow the temperature to climb to 150 degrees, a simmer, and cook for 5 minutes.
  4. Add the olives, lemon slices, carrots, scallions and cook 10 minutes.
  5. Reduce the heat to 140 degrees.  Pull the pan off the heat as needed.  Add the fish, skin side down and, if necessary, add additional oil to just cover the fish.  Cook 12-15 minutes, basting the top of the fish often with olive oil from the pan.  Don’t worry if the tops of the pieces still look undercooked – that’s the way it should be.  Turn the fish over, remove the pan from the heat and allow to rest in the oil another 10 minutes while it finishes cooking.
  6. Drain the fish on a plate lined with paper towels.  Keep it warm if you prefer it that way, or simply allow it to come to room temperature.
  7. Strain the oil, reserving the oil and the vegetables.  Place each piece of fish on a plate.  Divide the strained vegetables over the fish.
  8. In a small bowl, mix ¼ cup of the strained oil with the herbs and the reserved lemon juice.  Season the vinaigrette with salt and pepper and drizzle a bit over each serving.
  9. Put the oil in a container, cover and refrigerate.  It will last about a week in the fridge.

Jody notes:

On my first trip to Greece 100 years ago, my future starter-husband and I had plans to island hop and then spend the rest of our lives together.  At one Corfu taverna our host proudly served us zucchini boiled in olive oil, garnished with tiny bush basil leaves, giving each of us a thick piece of bread he sliced from a rustic loaf held beneath his left arm.  I dove in, not looking up until I’d finished all of the zucchini and sopped up all of the oil with my bread.  My response to the dish was visceral: “Wow!  No one ever told me you were allowed to eat this way.  This is my kind of food!”

Then I glanced at my companion.   His panicked glance and the way he poked at the zucchini with the tip of his fork told me all I needed to know.  We’re not supposed to eat this way!  Look at the amount of oil!

We were in trouble.  We were from different culinary planets.

Fast forward 15 years.  Different husband, different trip to the Mediterranean.  Ken and I are in Crete on the Oldways trip mentioned above.  Guess what?  In lecture after lecture we heard the same thing: Olive oil good for you.  You’re supposed to eat this way!

So… don’t be afraid of this recipe.  The olive oil doesn’t saturate the vegetables or the fish.  It provides an insulated bath for them to cook in so most of their flavors stay concentrated.  Save the leftover oil in the fridge and use it to cook other fish, or to make a mayonnaise or a vinaigrette.

As usual, Ken and I fought over how many ingredients I was allowed.  He’s always on the lookout for too many “restauranty” ingredients or techniques.”  I wanted smoked salt–he overruled me.   

But I won on the herbs–celery leaves aren’t really an herb, so they don’t count.

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12 thoughts

  1. Totally charming and, as usual, hunger-pang-provoking. Yay for olive oil! I consume at least a liter a week. (Slight exaggeration.)

  2. I knew I could count on you to drink your share, Lewis. If you saw my Facebook “breakfast photo” post earlier today, the whole wheat crostini was spread with garlic, a cherry tomato and olive oil leftover from poaching fish. Cheers. Ken

    • First of all, we refrigerate it as a precautionary measure. This causes it to form a soft solid. After that we use it in all the ways we ordinarily use oil (see my answer above)–for garnishes, for sauteing, and for vinaigrette. I particularly like spreading it on country-style (white + whole wheat + rye) sourdough bread because small leftover bits of whatever stuff we’ve used to flavor it are generally spreadable. Lemon slices don’t become spreadable, but who cares? They still taste great. Olive oil breaks down at high temperatures, which is another reason to keep the temperature down.

  3. This looks delicious, and I’m already sold on the whole OO is good for you and it’s a healthy fat, etc. Unfortunately, I won’t try this dish because OO is so expensive. I have to assume that it is cheaper in Greece. Is it?

    • I don’t know whether olive oil is cheaper in Greece. I assume it is, however I also assume that’s in the context of a MUCH higher percentage of income spent on food. In Crete, as in many other parts of rural Greece, having at least one fruit-bearing olive tree on your property and we met quite a few people who treasured “family olive oil” in additional to what they bought in stores. Part of the benefit of this recipe is your ability to re-use the olive oil. Typically we refrigerate leftover oil, along with whatever small vegetables we’ve used to flavor it. Cherry tomatoes, lemon slices and whole garlic cloves are the usual suspects–bigger vegetables like carrots get picked out and scarfed down. We then use this oil for just about everything except drizzling – and we could do that too if we wanted to take a few extra minutes to let it warm to a liquid state (it solidifies in the fridge). We do use it for vinaigrettes (shaken in a jelly jar with a spoonful of Dijon mustard, more fresh garlic or shallots, and either lemon juice of some kind of vinegar). Garlic and cherry tomatoes are very soft after cooking so a spoonful of oil makes a great spread on whole grain bread. This morning I added a dollop to steel-cut oats, along with some Parmesan, a few fresh cherry tomatoes and a splash of Asian fish sauce. My point about this is that all of the oil used in poaching ultimately gets consumed in the way we would ordinarily consume olive oil. We tend to favor evoo over butter in most instances. If you can’t afford evoo then buy less expensive “pure” olive oil–which I often use for sauteing and even (here come the comments) stir-frying, because the smoke point is so much higher. It won’t taste as strongly as olives, but it will still work. You can use other oils to do this, by the way, but obviously taste, cost, smoking points, and cardiovascular effects all factor into the choice. If I were going to substitute another oil I’d probably begin by looking at something with a neutral flavor, like safflower oil. Good luck.

  4. I have always been intrigued by this method, but confess I have never tried it. It’s on the list. Do you have any particular brand of EVOO you like to use for this? and where do you buy it in the Boston area?

    • I use CHEAP EVOO, just because it’s going to be flavored by other things. Pick any of the low-end brands at Whole Foods. We use Spanish or Greek EVOO for cooking (actually, that’s Jody–Ken uses safflower oil for sauteing because of its higher smoking point) and save the expensive stuff for drizzling where we want a hit of pure olive oil flavor. I used some of the leftover oil on my oatmeal this morning with chopped fresh tomatoes (we’re almost out so I may poach some scallops tonight), cilantro and a sb egg. Ken

  5. Wow! This is delicious! We used your recipe to poach a gorgeous piece of albacore. I am looking forward to poaching some shrimp in the remaining oil. We served it with boiled new potatoes and a tart salad of parsley, onion and cherry tomatoes.

    • Sounds great! I wax and wane when it come poaching in oil–I do it less frequently in warm weather, but once we start to think, What–more grilled seafood tonight?!it’s time to start poaching again. I’m glad to hear your comment about the tuna – I tend to use it most frequently with striped bass and swordfish, but now you’ve got me thinking. Thanks for letting us know how it went! Ken

  6. Pingback: Striped Bass Poached in Olive Oil | Put It In My Mouth

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