Trim off the ends of the green beans.
Heat your skillet over medium-high heat, adding the oil.
Once the oil is hot add the green beans to the frying pan and cook for about 12 minutes, stirring occasionally. Season to taste.
Transfer the green beans to a paper towel-lined plate to remove the excess oil.
Reduce heat to medium heat and toss in the diced shallots, minced garlic, and ginger in the same skillet. Cook for 5 minutes and give them a gentle stir, allowing them to soften.
Add the mirin sauce, and continue cooking for 1 minute.
Transfer the green beans to a paper towel-lined plate to remove the excess oil.
Serve on a plate and pour the mirin sauce mixture on top.
Sprinkle with sesame seeds.
Serve Immediately, Chinese Green Beans are best enjoyed immediately after cooking. Serve them hot as a side dish