Spaghetti Ham Bake

Ingredients (14)

• 2 packages (7 ounces each) thin spaghetti, broken into 2-inch pieces
• 4 cups cubed fully cooked ham
• 2 cans (10-3/4 ounces each) condensed cream of chicken soup, undiluted
• 2 cups sour cream
• 1/2 pound sliced fresh mushrooms
• 1/2 cup chopped onion
• 1/2 cup sliced ripe olives, optional
• 1-1/2 teaspoons ground mustard
• 1 teaspoon seasoned salt
• 2 teaspoons Worcestershire sauce
• TOPPING:
• 2 cups soft bread crumbs
• 1/4 cup butter, melted
• 2 cups shredded cheddar cheese