One-Pan White Cheddar Mac and Cheese

Ingredients (12)

• + 16 ounces uncooked elbow macaroni add to pantry
• + 2 ½ cups milk add to pantry
• + 2 cups water add to pantry
• + 1 teaspoon garlic salt add to pantry
• ✓ ½ teaspoon salt
• + ¼ cup margarine add to pantry
• + ¼ teaspoon ground black pepper add to pantry
• + 1 ½ cups shredded white Cheddar cheese add to pantry
• + ½ cup shredded Parmesan cheese, divided add to pantry
• + ¼ cup panko bread crumbs add to pantry
• + ¼ cup real bacon bits add to pantry
• + 1 tablespoon snipped chives add to pantry