Step 1

Whisk egg, mirin, salt and pepper in a bowl.

Step 2

Heat vegetable oil in a pan.

Step 3

Once the oil is hot, add kimchi, zucchini and mushroom and sauté for 2-3 minutes.

Step 4

Add spinach and cook for a few seconds.

Step 5

Pour the egg mixture in the pan and cover the pan.

Step 6

Cook on medium heat until the eggs are set.

Step 7

Fold the omelette into half.

Step 8

Serve hot.