1: Cook the steak sirloin to your desired doneness.
2: Toast the ciabatta bread until golden.
3: Spread the sun-dried tomato spread on one side of the ciabatta.
4: Add the cooked steak sirloin on top of the spread.
5: Drizzle sweet chili sauce over the steak.
6: Top with arugula microgreens and mozzarella cheese.
7: Close the sandwich and enjoy.