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1
Preheat oven to 450F.
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2
Wipe the portobellos clean with a paper towel and scrape out the gills with a spoon.
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3
Drizzle enough olive oil in the bottom of a glass baking dish to coat.
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4
Place portobello caps in the baking dish, top down, drizzle with oil, and set aside.
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5
Brown sausage in a large skillet with a little bit of olive oil and the crushed red pepper over medium high heat.
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6
While the sausage is browning, dice the onion, fennel, and bell pepper, chop the celery, and slice the garlic as thin as you can get it.
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7
Remove the rosemary leaves from the stems and finely chop.
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8
Add the veggies and garlic and rosemary to the skillet and saute with the sausage until crisp-tender, about 5-7 minutes.
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9
Add the wine to deglaze the pan and allow to cook for another 5 minutes or so.
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10
Stir in the shredded cheese and bread cubes.
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11
The bread cubes should soak up whatever wine remains in the pan.
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12
Taste it at this point, and add salt and freshly ground black pepper to taste (or more red pepper!).
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13
Stir in the beaten egg.
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14
The stuffing mixture should seem a little wet.
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15
Mound stuffing mixture into portobello caps.
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16
Its ok to pack it down a little bit to make sure that it stays in place.
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17
Sprinkle with a little extra shredded cheese.
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18
Bake at 450F for 35-40 minutes, or until the portobello is tender and the stuffing is golden brown.