2. Wash the eggplant and cut it in half. Steam for 5 to 1 minutes until cooked (according to the size of eggplant).
3. Spread it flat on a plate and bite it in the microwave for two minutes to reduce the moisture of eggplant itself.
4. Heat hot oil on high fire, and add pepper powder and pepper. Turn to medium heat and stir-fry garlic, ginger and green pepper evenly. Add bean paste, salt, soy sauce, vinegar, sugar and cumin and continue to stir-fry. Finally, add mustard tuber and stir-fry it a little. Put the seasoning in a small bowl for later use.
5. Use a spoon to spread the seasoning evenly all over the eggplant. Then bite in the microwave oven for three to five minutes until it tastes good. Finally sprinkle with chopped green onion.