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1
In a medium bowl, combine all the marinade ingredients.
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2
Add the gluten and knead it well in the marinade.
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3
Cover and refrigerate overnight.
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4
To prepare the stuffing (which can be assembled up to one day before using), begin by soaking the couscous in the water until all the water has been absorbed (1-2 hours).
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5
Using hot water for soaking will reduce this time.
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6
Combine the remaining stuffing ingredients with the soaked couscous and mix together well.
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7
When you are ready to assemble the roast, preheat the oven to 375F.
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8
Line a 9-x-5-inch metal loaf pan with foil.
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9
Coat the foil with cooking oil and set the pan aside.
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10
Remove the marinated gluten and reserve the marinade.
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11
Using a rolling pin, roll the gluten into an 18-inch square that is 1/4-inch thick.
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12
Roll it quickly and firmly in all directions.
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13
(The gluten will tend to spring back to its original shape.)
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14
Quickly transfer the rolled gluten to the loaf pan.
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15
Hold one hand on top of the gluten to keep its shape, while loosely packing the stuffing into the loaf with the other hand.
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16
Stretch one side of the gluten over the top of the filling and tuck it in the opposite side.
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17
Baste the surface with some of the reserved marinade, then stretch the gluten from the other side up and over the top of the filled loaf.
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18
Using a sharp knife, make a few small cuts in the top of the gluten.
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19
Baste the top with plenty of marinade, then place in the oven.
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20
Bake, basting every 10-15 minutes, until the top is brown and crusty and it no longer feels sticky (about 1 hour).
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21
Remove the pan from the oven.
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22
After about 5 minutes, invert the loaf on a rack and remove the pan.
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23
Let the loaf cool for 20 minutes.
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24
While the roast is cooling, prepare the gravy.
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25
In a medium saucepan, heat the sesame oil and saute the mushrooms and onions until the onions are translucent.
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26
Add a dash of vinegar to bring out the flavor of the mushrooms and help them retain their color.
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27
Add enough water to cover 3/4 of the mushrooms and bring to a slow boil.
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28
Add the starch and simmer for 10 minutes, stirring constantly as the sauce thickens.
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29
Season to taste with soy sauce and salt.
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30
Just before serving, stir the parsley into the sauce.
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31
Carefully peel the foil from the cooled loaf and invert it right side up on a platter.
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32
Slice the roast and serve with Chunky Mushroom Gravy.