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1
Preheat oven to 375 degrees F.
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2
Cut squash in 1/2 and scrape out seeds.
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3
Spread 1 tablespoon molasses in the cavity.
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4
Season with salt and pepper.
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5
Place cut side down on a roasting pan.
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6
Cook in the oven until very soft, about 1 hour.
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7
(See Chef's Notes.)
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8
Let cool to room temperature and scoop out flesh into the work bowl of a food processor.
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9
Puree squash until smooth, then spread on a baking sheet and return to the 375 degree oven to dry, about 10 minutes.
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10
The consistency will be like mashed potatoes.
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11
Scrape into a large mixing bowl.
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12
Heat the butter in a saucepan over medium-low heat until it begins to brown.
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13
Immediately remove from heat and add remaining 1 tablespoon molasses and all the vinegar.
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14
Add to squash with mascarpone, Parmesan, cinnamon, and nutmeg.
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15
Season, to taste, with salt and pepper and mix well.
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16
The recipe can be made ahead to this point (makes 2 cups filling,) Cover well and refrigerate 4 hours or up to 2 days.
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17
To fill the raviolis: Lay out a sheet of pasta dough on a lightly floured board.
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18
Cut into circles with a 3 1/2 inch pastry cutter.
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19
Put 1 tablespoon squash filling in the center of 1/2 the rounds using either a pastry bag or a small spoon.
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20
Leave a 1/2-inch border all around the filling.
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21
Moisten borders with water and top with remaining rounds of dough.
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22
Press all the air out and seal firmly by pressing all around with fingertips.
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23
Lay raviolis out to dry on a lightly floured board or baking sheet and lightly flour the tops.
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24
Repeat until you run out of dough and/or filling.
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25
To cook, boil in lightly salted water until tender, about 3 minutes.
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26
Reserve 2 ounces of the cooking water.
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27
Uncooked, filled raviolis may be used immediately or frozen for 2 months.
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28
Lay them out on sheet pans and place in freezer until frozen.
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29
Transfer to plastic bag.
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30
For the Sage Brown Butter: While raviolis are cooking, in a large saute pan, melt the butter with the sage and a pinch of salt until it foams and becomes light brown.
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31
Reserve.
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32
On medium heat toss the cooked raviolis in the sage butter then transfer to a serving platter or dishes.
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33
Add 2 ounces of the cooking water to the pan and swirl with any residual butter.
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34
Spoon the butter sauce over the raviolis, then finish with a generous grating of Parmesan and bittersweet chocolate.