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1
In a large skillet, heat the olive oil over medium-high heat.
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2
Add the onions, 1 teaspoon salt and 1/2 teaspoon pepper.
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3
Cook, stirring frequently, until softened, about 3 minutes.
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4
Add the garlic and cook until aromatic, about 30 seconds.
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5
Add the sausage and break up the meat into 1/2-inch pieces with a wooden spoon.
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6
Cook until browned and cooked through, 6 to 8 minutes.
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7
Add the marinara sauce and arugula.
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8
Bring the mixture to a boil and cook until the arugula has wilted, about 2 minutes.
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9
Add the mascarpone cheese and stir until the mixture forms a creamy sauce.
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10
Remove from the heat and stir in the Parmesan.
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11
Season with salt and pepper.
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12
Cut a slit in the top of each baked potato and gently squeeze the ends to form an opening in the top.
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13
Spoon the sausage sauce into each potato.
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14
Garnish with parsley.
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15
Cook's Note: To bake the potatoes: Position a rack in the center of the oven and preheat the oven to 350 degrees F. Using a fork, prick the skins of the potatoes all over.
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16
Wrap each potato in foil and bake until tender, about 1 hour.
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17
To cook the potatoes in a microwave: Using a fork, prick the skins of the potatoes all over.
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18
Place 2 potatoes at a time on a dinner plate.
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19
Microwave on high for 8 minutes.
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20
Turn the potatoes over and microwave until soft, 6 to 8 more minutes.
