Ham Spaghetti Skillet

Ingredients

• 6 ounces thin spaghetti, broken into 2-inch pieces
• 6 green onions, chopped
• 1 jar (4-1/2 ounces) sliced mushrooms, drained
• 1/4 cup butter, cubed
• 1-1/2 cups cubed fully cooked ham
• 1 cup cubed cooked chicken
• 1 cup sour cream
• 1 cup 4% cottage cheese
• 1/2 teaspoon celery salt
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• Shredded cheddar cheese