"Portobello mushrooms, spinach, cheese and pasta combine to make a casserole your whole family will love!..."
INGREDIENTS
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1 (8 ounce) package uncooked penne pasta
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2 Tablespoons vegetable oil
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1 cup sliced portobello mushrooms
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½ cup butter
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¼ cup all-purpose flour
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1 teaspoon minced garlic
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½ teaspoon dried basil
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2 cups milk
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2 cups mozzarella cheese
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1 (10 ounce) package frozen spinach, thawed and drained
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¼ cup soy sauce