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1
Preheat oven to 350.
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2
Remove loose, papery skin from garlic, leaving heads intact.
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3
Place garlic on a sheet of heavy-duty foil; drizzle with 1/4 teaspoon olive oil and sprinkle with a pinch of salt and pepper.
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4
Loosely wrap foil around garlic, folding foil edges securely.
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5
Roast until garlic has softened, about 40 minutes, then transfer to plate.
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6
Open carefully and discard foil; let garlic cool.
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7
Separate garlic into cloves.
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8
Squeeze soft garlic from each clove into a small bowl; set aside.
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9
Heat the oil and butter in a large saucepan until foaming.
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10
Add the onion and roasted garlic.
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11
Cook gently for about 5 minutes, stirring, until the onion is softened but not brown.
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12
Stir in the chopped tomatoes, then add the stock, white wine and sun-dred tomato paste, with salt and pepper to taste.
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13
Bring to a boil, then lower the heat, half cover the pan, and simmer gently for 20 minutes, shirring occcasionally to keep the tomatoes from sticking to the bottom of the pan.
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14
Process the soup with the shredded basil in a blender or food processor, then press through a sieve into a clean pan.
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15
Add the cream and heat through, stirring.
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16
Do not allow the soup to approach the boiling point.
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17
Check the consistency and add more stock if necessary, then season with salt and pepper.
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18
Pour into heated bowls and garnish with basil.
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19
Serve at once.
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20
(Can also be frozen and served later.
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21
).