Ham and Bean Tetrazzini

This is a nice change from the ordinary.  It's not too heavy either.  It's nice and creamy.  Enjoy!
-cooking spray
-2 cups fresh sliced mushrooms
-8 oz cubed ham
-2 green onions, sliced
-1 (10 3/4 oz) can cream of mushroom soup
-1 1/4 cups milk
-1 (15 oz) can red kidney beans, rinsed and drained
-1 cup shredded Cheddar cheese
-salt and pepper, to taste
-8 oz cooked spaghetti
Preheat oven to 350 F.  Coat a baking dish with cooking spray.
Coat a large skillet with cooking spray.  Add mushrooms, green onions and ham.  Cook for about 5 minutes.  Add milk and soup.  Bring to a boil.  Reduce heat and simmer for a couple of minutes.  Add beans and cheese.  Mix well.  Remove from heat.  Add cooked spaghetti.  Stir well.  Pour mixture into prepared pan.  Bake in preheated oven for 15-20 minutes, or until bubbly.  Enjoy!