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1
Make the fries: Brush a baking sheet with vegetable oil.
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2
Heat 2 to 3 inches vegetable oil in a Dutch oven until a deep-fry thermometer registers 365 degrees F. Meanwhile, bring a medium pot of salted water to a boil.
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3
Add the pasta to the boiling water and cook as the package directs, then drain.
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4
Spread in an even layer on the prepared baking sheet and let cool.
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5
Cut the cooked spaghetti into short pieces and fry in batches, turning once, until golden, 30 seconds to 1 minute.
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6
Drain on paper towels and sprinkle with the parmesan and salt.
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7
Make the burgers: Preheat the broiler.
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8
Pulse the onion, 4 garlic cloves, 1/2 cup basil and the parsley in a food processor until finely chopped.
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9
Transfer to a bowl and add the ground beef, 1/2 cup each parmesan and tomato sauce, the oregano, 1/2 teaspoon salt, and pepper to taste.
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10
Mix with your hands until combined and form into four 1-inch-thick patties.
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11
Transfer to a rimmed baking sheet.
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12
Broil the patties, turning once, until browned and just cooked through, 6 to 8 minutes.
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13
Top each patty with a slice of mozzarella and 2 tablespoons of the remaining tomato sauce.
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14
Return to the broiler until the cheese melts, about 30 seconds.
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15
Place the buns split-side up on another baking sheet and toast under the broiler until just golden, 1 to 2 minutes.
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16
Brush the toasted sides lightly with the olive oil, rub with the remaining garlic clove and sprinkle with the remaining 1/4 cup parmesan.
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17
Return to the broiler until the cheese melts, about 30 seconds.
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18
Place each patty on a bun bottom and top with some sliced basil and a bun top.
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19
Serve with the spaghetti fries and warm tomato sauce for dipping.
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20
Photograph by Charles Masters
