Instructions

  1. Butter a casserole dish. Put a layer of asparagus on bottom then add soup.
  2. Next add mushrooms and half the cheese. Add second layer of asparagus and end with a layer of cheese.
  3. Bake at 350 degrees for 30 minutes or until bubbly. Sprinkle onion rings on top and return to oven for 5 minutes more.
  4. Serve hot.