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180-Day Dry-Aged Sashi Prime Rib

Per Asmussen
   

Per is the founder of GastroFun.dk. Per's heart beats especially for the sous vide technique, sauces and dry-aged meat. His mission is to get all people to eat better and play and experiment more in their kitchens.

23. October 2018

Project Background

What do you do when, as a massive meat enthusiast, you receive an entire beef rib roast from the award-winning Finnish cattle Sashi? The meat has been hanging at the butcher/producer for a couple of weeks and is ready to dig into.

You dry-age it further for up to 180 days and follow the process as closely as you can – that was my crazy idea here.

Generally, I swear by sous vide preparation of meat, but even though I’ve tried cooking steaks from this cut that way, I must admit that it wasn’t ideal for Sashi steaks.

So far, I have tried the sous vide technique for the cut, the reverse sear technique, and pan-frying. I have to admit that pan-frying is the best method here.

 

Day 0:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

2 days:

Sashi beef rib roast

6 days:

Sashi beef rib roast

8 days:

Sashi beef rib roast

10 days:

Sashi beef rib roast

12 days:

Sashi beef rib roast

16 days:

Sashi beef rib roast1

18 days:

Sashi beef rib roast

22 days:

Sashi beef rib roast

24 days:

Sashi beef rib roast

27 days:

Sashi beef rib roast

29 days:

Sashi beef rib roast

 

Sashi beef rib roast

Sashi beef rib roast

33 days:

Sashi beef rib roast

40 days:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

The meat is vacuum-sealed with salt and pepper:

Sashi beef rib roast

Then cooked for 3 hours at 54 degrees in sous vide:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

The meat tasted fantastic, but the larger fat chunks in the meat don’t melt, so you don’t get the full flavor of the meat with this cooking method.

 

53 days:

Sashi beef rib roast

Sashi beef rib roast

 

79 days:

Sashi beef rib roast

Sashi beef rib roast

The steaks here were cooked using the reverse sear technique:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

The meat was delicious, but again, I don’t think the fat melted well enough.

Instead of cutting the steaks with a meat saw (as I usually do), we chose to cut the steaks off the bone here. It meant that there was some “trim,” which was used for a fantastic tartare:

Sashi beef rib roast

 

90 days:

Sashi beef rib roast

98 days:

Sashi beef rib roast

121 days:

Sashi beef rib roast

Here, the meat was pan-fried at very high heat for a short time:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

The result was perfect steaks, where the melted fat combined with the intense umami flavor created a fantastic result.

 

121 days:

Sashi beef rib roast

Sashi beef rib roast

160 days:

Sashi beef rib roast

Sashi beef rib roast

177 days:

Sashi beef rib roast

Sashi beef rib roast

 

180 days:

Sashi beef rib roast

Sashi beef rib roast

The meat was cut into steaks, again by cutting it off the bone instead of using the saw.

Sashi beef rib roast

Sashi beef rib roast

The 200 grams of trim (meat between the bones and steaks) were coarsely ground in the meat grinder and made into 2 patties:

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast

Sashi beef rib roast


See all images in the video below: