This Creamy Crock Pot Chicken Tetrazzini Recipe is made with a store-bought rotisserie chicken, cream of mushroom soup, sliced mushrooms, chicken broth, freshly grated Parmesan cheese and stirred into cooked spaghetti.
Mix with a large spoon, place the lid on the crock pot and cook for 3 hours on high or 5 hours on low. 20 minutes before the recipe will be finished boil the spaghetti noodles in a pot of salted water following the directions on the package.
When the spaghetti is finished uncover the crock pot and add the ½ a cup of finely grated Parmesan cheese and mix. Add the drained spaghetti noodles to the crock pot and mix until all of the noodles are covered with the sauce.