To make the filling, heat a non-stick pan with 1 teaspoon oil, sauté ginger until fragrant, then add mushrooms and cook to remove moisture (if any).
Add kale stems and continue to cook for about 30 secs, turn off the heat.
Transfer the mixture to a bowl, add carrots, cooked rice and mix well with the rice seasoning ingredients. Set aside.
Bring a pot of water to boil, blanch cabbage leaves for about 45secs. Remove & quickly plunge them in icy water to stop the cooking. Note: If you have a small cabbage, please check my stories on how I did mine.
Place one cabbage leaf on a cleaned surface, remove the harder vein, if needed.
Add a heaping spoon of filling in the middle, fold in the sides and wrap to seal. (Note: adjust filling based on the size of your cabbage leaf). Repeat with the remaining ingredients.
In a heated non-stick pan with 1 teaspoon oil, place as many cabbage wraps as will fit in one layer in the pan, sealed side down. Cook until both sides are nicely browned, flipping in halfway. Set aside or serve as-is.