Cook noodles according to directions. Drain and rinse.
Saute mushrooms and onions in butter. Combine
all ingredients except noodles and cheese. Place
half of the noodles in buttered casserole dish.
Add all of the clam mixture. Top with the
Bake for 40 minutes
at 350 degrees. Top with cheddar cheese and
bake another 5 minutes until cheese is bubbly