Ingredients

• 6 tablespoons unsalted butter (softened slightly)

• 1 pound linguine (noodles broken in half)

• 2 ½ tablespoons extra-virgin olive oil

• 1 ½ pounds boneless chicken breast (skinless halves)

• 2 garlic cloves (lightly crushed and peeled)

• 2 bay leaves

• Kosher salt

• Pepper

• 1 yellow onion (medium finely chopped)

• 8 ounces button mushrooms (thinly sliced)

• 8 ounces cremini mushrooms (thinly sliced)

• 3 tablespoons all-purpose flour

• 2 ½ cups whole milk

• ⅓ cup sour cream

• 1 tablespoon Dijon mustard

• 8 ounces mozzarella (coarsely grated)

• 4 ounces Fontina cheese (coarsely grated)

• 2 ounces Parmigiano-Reggiano cheese (finely grated)

• 1 cup frozen peas (thawed)

• ⅔ cup panko