1 (7 oz.) pkg. spaghetti
1/4 c. chopped onion
1/2 lb. fresh mushrooms, sliced
1/4 c. butter, melted
1/4 c. flour
2 c. milk
2 c. half & half
1/2 tsp. salt
1/4 tsp. pepper
1/8 tsp. garlic powder
3/4 c. Parmesan cheese
2 c. diced cooked ham
1 (2 oz.) can sliced ripe green olives, drained

Cook spaghetti, drain well and set aside. Saute mushrooms and onions in butter in a large skillet until tender. Add flour stirring until smooth. Cook 1 minute, stirring constantly. Gradually add milk and half & half, stirring constantly until thick and bubbly. Stir in seasonings and 1/2 cup Parmesan cheese.

Spoon 1/2 spaghetti into greased 12 x 8 x 2 inch baking pan. Pour 1/3 sauce over spaghetti, sprinkle with 1/2 ham and olives. Repeat ending with sauce. Sprinkle with 1/4 cup Parmesan cheese. Bake at 350 degrees for 25 minutes.