Sausage & Swiss Chard Lasagna

Ingredients (14)

• 1 pound bulk Italian sausage
• 1-3/4 cups sliced fresh mushrooms
• 2 garlic cloves, minced
• 1 bunch Swiss chard (about 10 ounces)
• 3 tablespoons butter
• 1/4 cup all-purpose flour
• 3 cups 2% milk
• 1 cup shredded Gruyere or Swiss cheese, divided
• 1 tablespoon minced fresh parsley or 1 teaspoon dried parsley flakes
• 1 tablespoon minced fresh oregano or 1 teaspoon dried oregano
• 1 teaspoon grated lemon zest
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 6 no-cook lasagna noodles