INGREDIENTS
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1 package no-boil whole wheat lasagna sheets
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3 tablespoons olive oil
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1 pound brussels sprouts, stems removed and sliced
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1 shallot, diced
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3/4 teaspoon salt
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3/4 teaspoon pepper
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2 tablespoons balsamic vinegar
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12 ounces sliced cremini mushrooms
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12 ounces shitake mushrooms, stems removed
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2 garlic cloves, minced
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2 tablespoons unsalted butter
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2 tablespoons flour
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2 3/4 cups milk (2% or whole will work best)
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1/4 teaspoon freshly grated nutmeg
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8 ounces provolone cheese, freshly grated
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3/4 cup ricotta cheese
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1/4 cup grated pecorino romano cheese