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1
If using dough, roll the dough through a pasta machine on each setting from widest to narrowest.
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2
Roll once more through the narrowest setting.
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3
Cut the dough into 12-inch-long sheets with a sharp knife, then pass the sheets through the tagliatelle cutter.
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4
Toss with semolina flour to prevent sticking.
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5
You can cover the pasta with a damp paper towel, then plastic wrap, and refrigerate for up to 2 days.
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6
Preheat the oven to 200F.
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7
Arrange half of the tomatoes, cut sides up, on a small rimmed baking sheet.
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8
Season with salt, drizzle oil all over, and scatter the garlic and basil over the top.
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9
Bake until the tomato skins wrinkle a little, about 30 minutes.
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10
Discard the garlic and basil.
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11
Bring a large pot of water to a boil and salt it generously.
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12
Fill a large bowl with ice and water.
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13
Cook the beans in the boiling water until crisp-tender, about 5 minutes.
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14
Use a slotted spoon to transfer to the ice water.
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15
Add the tagliatelle to the boiling water and cook until al dente, about 3 minutes.
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16
Meanwhile, coat a large skillet with olive oil and set over medium-low heat.
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17
Add the remaining fresh tomatoes, season with salt, and cook, tossing occasionally, until just warm.
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18
Remove from the heat and stir in the pesto and 2 tablespoons of the pasta cooking water.
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19
Drain the pasta and beans and add to the skillet, along with the baked tomatoes.
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20
Toss gently to mix and then transfer to serving bowls.
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21
Tear basil over each serving.
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22
Grate the cheese directly over the pasta.
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23
Grind pepper over the cheese.
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24
Serve immediately.
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25
Bring a small saucepan of water to a boil.
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26
Fill a medium bowl with ice and water.
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27
Add the basil leaves to the boiling water, cook for 30 seconds, then drain and transfer to the ice water.
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28
When cool, drain well, then squeeze between sheets of paper towels until completely dry.
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29
Put the basil in the blender along with the garlic, chile, lemon zest, oil, and salt.
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30
Puree until smooth.
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31
Add the pistachios and pulse until coarsely chopped.
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32
Transfer to a bowl and stir in the cheese.
