Prep Time: 25
Cook Time: 40
Serves: Serves: 6
Cook mushrooms, red pepper and onions in butter in medium saucepan over medium heat 3 minutes or until tender, stirring occasionally. Remove from heat. Stir in flour and pepper until smooth. Stir in mustard. Gradually stir in milk and broth. Heat to a boil over medium heat, stirring frequently. Boil and stir 1 minute. Remove from heat. Stir in ham and peas.
Place 1 cup sauce in bottom of 8x8-inch baking dish. Layer half of penne over sauce. Spread with 1/2 cup Ricotta cheese, half of remaining sauce, 1/2 cup Swiss cheese and 2 tablespoons Parmesan cheese. Repeat with layers of pasta, 1/2 cup Ricotta cheese and sauce.
Cover and bake in preheated 375°F oven 30 minutes. Uncover; bake 10 minutes more. Sprinkle with remaining Swiss cheese and Parmesan cheese. Let stand 10 minutes before serving.