"White Pesto Lasagna: a great meal for entertaining, just make it ahead of time, and bake it off before guests arrive - simple and delicious!..."
INGREDIENTS
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2 tablespoons extra virgin olive oil
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4 tablespoons salted butter
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1 shallot, chopped
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3 cloves garlic, smashed
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2 teaspoons dried thyme
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1 teaspoon dried rosemary
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kosher salt and black pepper
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1/4 cup all-purpose flour
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2 cups whole milk
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2 cups vegetable broth
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2 cups shredded provolone
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1 cup grated parmesan cheese
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1 1/2 cup basil pesto
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2 packages (10 ounces) frozen spinach, thawed and drained
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1 box no-boil lasagna noodles