Rinse the chicken thighs thoroughly and pat dry with paper towels. Rinse the peppers and mushrooms. Cut the pepper into strips and the mushrooms into small slices. Peel the onion and cut into 8 feathers. Also peel and chop the garlic. Grate the carrots.
Cut the chicken into small pieces and place in a bowl. Add soy sauce and garlic to the meat, mix thoroughly. Leave for 10-15 minutes.
Add pepper to a heated frying pan with oil, fry for 2-3 minutes over high heat, then add carrots and onions, fry for about 2 minutes. After the time has passed, add the mushrooms and fry them for another 4-5 minutes.
When the vegetables are ready, transfer them to a plate. Add the meat to the pan and fry it for 7-8 minutes over high heat, stirring occasionally.
When the meat is almost ready, sprinkle the meat with sesame seeds, stir and fry for another 1 minute, then add the fried vegetables and mix everything thoroughly.
Boil 2 cups of salted water, add rice. Cook over low heat, covered, for 15-20 minutes. Place the finished rice on a plate.
Place rice on serving plates, top with vegetables and meat and sprinkle with sesame seeds and green onions. Serve sweet and sour sauce with rice with vegetables and chicken fillet.