Ham Tetrazzini Recipe

• 1 (7 ounce.) pkg. spaghetti
• 1/2 pound fresh mushrooms, sliced
• 1/4 c. minced onion
• 1/4 c. butter, melted
• 1/4 c. all-purpose flour
• 2 c. lowfat milk
• 2 c. half and half
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1/8 teaspoon garlic pwdr
• 3/4 c. grated Parmesan cheese, divided
• 2 c. diced cooked ham
• 1 (2.2 ounce.) can sliced ripe olives, liquid removed

Directions