"Butternut squash and turnip greens—unlikely for lasagna, but so good...."
INGREDIENTS
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2 tablespoons olive oil
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1 onion, chopped
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3 garlic cloves, minced
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1 (28-ounce) can stewed tomatoes
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1 (6-ounce) can tomato paste
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1/2 cup dry red wine
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1 tablespoon red wine vinegar
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1/4 teaspoon crushed red pepper
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1 (6-ounce) bag fresh spinach, chopped
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1 (15-ounce) container part-skim ricotta cheese
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1 egg
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2 cups shredded provolone cheese, divided
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1 1/4 cups cooked, mashed butternut squash (1 medium squash)
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12 no-boil lasagna
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4 cups torn turnip greens, blanched
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3/4 cup grated Parmigiano Reggiano cheese