My loving pescatarian wife went out for the evening, so I was left to cook for my carnivorous self. Meat was certain to be on the menu and, since I had no one to please but myself, I decided it was time to experiment with a new technique. If it failed, I could always order a sausage pizza.
Poaching in olive oil is my favorite preparation for seafood for two reasons: (1) it is very forgiving, as overcooking at low poaching temperatures is almost impossible; and (2) good extra virgin olive oil imparts a terrific grassy, fruity and rich flavor to the fish. With a delicate cut of beef like tenderloin, I supposed that the method might work just as well.
I started by flash-searing the meat in a super hot pan. No more than 30 seconds per side. Probably more like 25. Then I placed the hunk of meat, a dozen or so peeled garlic cloves, and a few small red potatoes in a small saucepan, and covered it with an extra virgin olive oil that I quite like for the price:
Start of the poach:
At the same time, I placed maybe a half cup of pitted sour cherries, their juice, and maybe a cup and a half of rioja in another saucepan. Added some tarragon, cranked up the heat, and started what ended up being about a one hour reducing process, until almost all of the liquid was gone, and what was left was intense and syrupy. Then I seasoned with salt and pepper.
Reduction getting started:
I tried my best to keep the oil at about 145 degrees. Without dansch's fancy immersion circulator, this meant a lot of pulling it on and off the heat. A little fluctuation doesn't bother me, but if the heat got up to 170 or so, I feared that might ruin my expensive beef. At 135-145 degrees, it is literally impossible to overcook it. I suspect that it might have been even better if I let it cook all night, but I was hungry after 45 minutes, so I plated it. The garlic and potatoes weren't quite soft enough for me, so I removed the meat, cranked up the heat and let those guys simmer in hot oil for about 5 more minutes. A little cherry/wine reduction smeared on the plate, then the filet on top of that, the potatoes and garlic scattered around, and some of the cooked cherries strewn on top.
Oil Poached Filet, Potatoes and Garlic With Cherry-Rioja Reduction:
I would have loved to do a side by side comparison of this filet with one cooked using sear and blast, or some other more common method. Then I'd have more empirical evidence for my belief that this was the best damned way of cooking a filet I'd ever tried. Rich, tender, and full of flavor. The cherry wine reduction added just the right acid bite, and who ever complained about whole garlic cloves poached in olive oil?
Filet, Sliced:
Poaching in olive oil. I think I'm hooked.
...defended from strong temptations to social ambition by a still stronger taste for tripe and onions." Screwtape in
The Screwtape Letters by CS Lewis
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