Wednesday, October 13, 2010

Gabe's Laboratory: Katsuobushi... at Home?

In a recent recipe writing under taking, I was asked to research and design a method to make Bonito Shavings.  I adore them and was really enthusiastic about the project, but with some research discovered... OMG, they are seriously complex.  I didn't realize they were smoked, let alone fermented!  So just for fun, here is the recipe.  I had to hybridize it from a whole slew of sources.  If anyone has a better one, or has actually made it, please comment!  I can't wait to try it.



Katsuobushi
50 grams salt
1000 grams bonito, albacore, or mackerel






Prep fish: remove any bones and break fish down into 4 loins.  
Simmer: simmer gently in heavily salted water for 1 hour.  
Shock: remove fish from water and shock in icewater until completely cold.  Pat dry.
Pellicle: air dry, on a rack, in the fridge, overnight.
Hot Smoke: using oak chips and 1T sugar, hot smoke @150F for 1 hour.
Cold Smoke: using the same oak mix, smoke @70F for 5 hours per day, for 20 days.  Return 
product to fridge everynight.  Store wrapped in paper towels to maintain dryness.
Mold Spray: spray with bloomed MEK and let dry at room temp for 2 hours.  
Place under refrigeration in a sealed container @80% humidity for 2 weeks.  Turn daily. 
Clean: remove from fridge.  Product should be rock hard, and sound like wood when 
tapped.  Using the back of a pairing knife, scrape off and mold/black sooty mud.  
Store: packed in rice, in a glass jar in the fridge. 

Perhaps a fun project?  It would seem that this is the only copy of a recipe floating on the Inter-webs...
I want to vary the fish. I can see a yummy salmon product as well as smelt.  What if you left the smelt whole?  when they are that dry, would we mind the bones?  Dunno.  

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