Paris French Onion and Mushroom Pasta Bake

French Onion and Mushroom Pasta Bake Decadent, creamy and ultra-cheesy pasta bake of small shells in a homemade bechamel with caramelizd onions, earthy sauteed mushrooms, parmesan, swiss and mozzarella cheeses.  Ingredients: bechamel, caramelized onions, mushrooms, small shells, swiss, parmesan, mozzarella.  Full ingredient list Dietary notes: vegetarian, kid-friendly     Oven Freezer 375° 50 min with lid, 10 w/o Fridge 375° 20 min with lid, 5 w/o   Microwave Freezer 8 min on high with lid Fridge 4 min on high with lid