One-Skillet Cheeseburger Macaroni

Ingredients

• 1 pound lean ground beef (90% lean)
• 8 ounces uncooked whole wheat elbow macaroni
• 3 cups reduced-sodium beef broth
• 3/4 cup fat-free milk
• 3 tablespoons ketchup
• 2 teaspoons Montreal steak seasoning
• 1 teaspoon prepared mustard
• 1/4 teaspoon onion powder
• 1 cup shredded reduced-fat cheddar cheese
• Minced chives