Rotisserie Chicken Spaghetti Bake | Cooking Professionally

Ingredients

• 6 tablespoons unsalted butter, divided, plus more, to taste, for greasing the baking dish
• 3/4 pound mushrooms, thinly sliced
• 1/2 teaspoon salt, plus more, to taste
• 1/4 teaspoon ground black pepper, plus more, to taste
• 2 tablespoons all-purpose flour
• 2 cups chicken stock
• 1 cup heavy cream
• 3 tablespoons vermouth
• 1 (8-ounce) package spaghetti
• 2 pounds rotisserie chicken, torn into bite-size pieces
• 1/2 cup parmesan cheese, grated