Sous Vide Cooking

Tag: Frisper

White Flesh of Scallop Sous Vide at 49°C and 51°C

by on Nov.14, 2009, under Time and Accurate Temperature

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October to April is the scallop season in France. When going on markets you can see very often fishmongers’ stalls full of Coquilles Saint Jacques.  The white flesh of the scallop (the “noix de Saint Jacques”) is very thick and looking beautiful. I purchased 3 noix de Saint Jacques for a very fair price.

I have seen several post on the net with poeple who cooked scallops sous vide at 50°C. I was scarred to get it a little bit overcooked and therefore decided to cook it at 49°C.
I cleaned the scallop, put it in a pouch with salt, pepper and a bit of butter. I left the scallop 40 minutes in the water bath.

As I just wanted to cook one piece of Saint Jacques at 49°C (I have 2 other pieces to make other tries at different temperatures) I thought it was a pity to spoil 8 litres water in a big pot. Therefore I decided to use a small pot that was big enough for the Swid and the tiny scallop pouch I prepared. I was surprised to see the swid was very stable with such few water. After 5 minutes heating the water bath temperature was remaining steadily at 49.0°C!

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After 40 minutes cooking I seared the scallop 3 seconds on each side in a hot pan with a bit of butter.
The scallop was perfectly and evenly cooked but, in my opinion, not cooked enough.
Then, I decided to cook the other piece of noix de Saint Jacques at 51°C during 40 minutes. The result was much better. My sister who is a big scallop fan, said it was almost melting in her mouth. She was surprised by the moist texture of the scallop and agreed on the fact it was one of the best scallop she has eaten so far!

Tomorrow I’ll try my last noix de Saint Jacques at 50°C (yes, I know this was the temperature originally recommended by other bloggers!).

Jean-François

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Frisper, the vacuum machine from Oliso – Vous vide chicken legs at 66°C during 75 minutes

by on Oct.06, 2009, under Equipments & Accessories, Time and Accurate Temperature

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I was very attracted by the design of the Frisper when I saw it for the first time. The vacuum machine from Oliso is definitely a very cute and compact device.

You know my philosophy now …if I see something new, you have to try it!

First of all lets make a fast comparison between the LAVA 100 vacuum machine I purchased some months ago and the Frisper from Oliso. The LAVA 100 is a powerful appliance with a “safety box” but its price is 3 times the price of the Frisper (EUR 245 to be compared to approx. EUR 80). On the other hand the Frisper is really less powerful than the LAVA 100 and the price of the specific plastic pouches that must be used with it is significantly higher compared to “normal pouches” (without any zip). Pouches can usually be purchased in the range from EUR 0.11 to EUR 0.50 (if purchased in a pack of 50 or 100 pieces). Plastic pouches used with the Frisper can be sold in a pack of 20 bags for a price of approx. EUR 1 per bag. These bags a theoretically re-usable 8 times but this possibility id useless in the frame of sous vide cooking as bags should not be re-used for food safety reasons.

Therefore the main question is “can the Frisper vacuums enough for sous vide cooking purposes”. Please have a look of this previous post illustrating their is no need of a professional vacuum machine to cook sous vide.

I confirm the Frisper is good enough. For my try I took 2 chicken legs (35 mm thick), added a little bit of marinade, vacuumed them with the Frisper and cooked them at 66°C during 75 minutes.

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Last time I cooked chicken legs sous vide (30 mm thick) I decided to comply with Douglas Baldwin time and temperature table (64°C during 60 minutes). The result was good but a little bit bloody on some parts. Click here to read the post mentioning that point.

This time I have decided to raise slightly the temperature and the cooking time.

The texture was again very good and the chicken not bloody anymore. Nevertheless the chicken was still a bit too pinkish for my girlfriend taste. I guess next time will be the good one.

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In order to compare with the bloody chicken leg I cooked during my first experiment, find bellow a picture.

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Jean-François

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