Cut the spinach into bite-sized pieces and microwave in a heatproof container covered with plastic wrap for 1 minute at 600W. Rinse with cold water, squeeze out excess moisture, and set aside. Julienne the carrot and microwave in a heatproof container covered with plastic wrap for 1.5 minutes at 600W. Let cool.

Mix the seasoning ingredients (salt, sesame oil, garlic, sesame seeds) in a bowl. Add the carrot and spinach, and toss to combine.