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1
Use the meat without slicing.
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2
Heat vegetable oil in a pan, and sear the meat.
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3
Add meat, leek, and ginger in a pot, pour plenty of water, then turn the heat to high.
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4
Bring to a boil, and turn down the heat to low.
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5
Cover with an otoshibuta drop lid, or a piece of aluminium foil or kitchen parchment paper with several holes.
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6
Simmer for 2 hours.
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7
Skim off the scum.
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8
Make sure there is enough water to cover the meat.
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9
When the amount of water gets low, add more.
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10
Flip the meat half way through.
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11
[Tips] Turn off the heat, and cover with a lid.
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12
Let it sit overnight so that the flavour is reabsorbed by the meat.
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13
When you don't have time, let it sit for 3~4 hours to cool.
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14
Remove the meat, and cut into bite-size pieces.
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15
Transfer to an appropriately sized pot.
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16
[Tips] Add water, sake, and mirin, then turn up the heat to high.
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17
Bring to a boil, turn down the heat to low, and add sugar.
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18
Simmer for 10 minutes with the otoshibuta.
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19
A sugar molecule is larger than soy sauce molecule or a dashi powder molecule.
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20
Therefore, adding the sugar first makes the dish absorb the sweetness better.
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21
Add soy sauce and dashi powder, and simmer for 1 ~ 2 hours with the otoshibuta.
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22
When the meat sticks out from the sauce, and the color is shiny, turn off the heat.
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23
[Tips] Cover with the lid, and let it sit overnight to absorb the flavour.
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24
When you don't have time, let it sit for 2 ~ 3 hours to cool.
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25
Done.