Sous Vide Cooking

I swid my salmon! 20mm thick. 60.5°C during 41 min and 52°C during 28 min

by on Nov.04, 2009, under Equipments & Accessories, Time and Accurate Temperature

salmon-pasteurized-mi-cuit-brining-immersion-circulator-sous-vide-equipment-cooker-2

Today I woke up and decided to “swid my salmon”!
I purchased 2 pieces of salmon, 20 mm thick, seasoned them with salt, pepper and a little bit of frozen olive oil.
A common problem when cooking salmon, is that the protein albumin leaches out of the fish and coagulates unattractively on the surface. Therefore I brined the salmon 10 minutes in a 10% salted water.

I had look to Douglas Baldwin table about temperatures & times for pasteurized and “mi-cuit” salmon.

Pasteurized salmon (20 mm thick):

55°C         57.5°        60.5C
4:20        1:52            41′

I decided to cook 41 minutes at 60.5°C

Salmon “mi-cuit” (20mm thick):

Very Rare          Rare Medium Rare          Medium Medium Rare
38.5°C                        47°C                                      52°C
26′                               28′                                           28′

The albumin was very present at the surface of the pasteurized salmon. The “mi-cuit” salmon had really less albumin and I could easily take it off before searing it.

salmon-pasteurized-mi-cuit-brining-immersion-circulator-sous-vide-equipment-cooker-1(very few albumin appearing on the “mi-cuit” salmon)

I seared the salmon in a pan with a bit of olive oil.
As you can see on the pictures the difference of colour between the pasteurised and the Medium Medium Rare salmon is not obvious.

salmon-pasteurized-mi-cuit-brining-immersion-circulator-sous-vide-equipment-cooker-3(left, pasteurized salmon – right, “mi-cuit”)

To sum up I would say the salmon “mi-cuit” 52°C cooked during 28 minutes was definitely the most flavorful. Next time I’ll try both “mi-cuit” 47°C and 52°C during 28 minutes.

Jean-François

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2 Comments for this entry

  • Frédéric

    When I cook salmon, I keep the water at 45°C. The internal temperature of the fish should not exceed 41°C. Then I let is rest for a few minutes outside the bath. It gives me a perfect semi-cooked salomn wich is very moist and juicy!

  • rafael

    Baldwin Table 3.5:

    Pasteurizing a 20mm thick cut of oily fish @ 60.5 degC from a starting temperature of 5 degC requires 53 minutes.

    The 41 minute time you used refers to a cut just 15mm thick, i.e. one line further up in the table.

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