Add sesame oil and vegetable oil to a pan.
On medium-to-high heat, add the garlic, green onions, and onion, stirring occasionally, and once the oil is hot, stir in the garlic, green onions, and onion. Veggies are cooked after they have softened.
Add the chicken broth, sugar, cornstarch, sake, soy sauce, and sake once the chicken has softened.
Cook the ingredients over low heat for around 10 minutes after bringing them to a boil.
Depending on your preference, prepare your chicken and place it in a slow cooker. After simmering for ten minutes, add the sauce and cook on high for four hours.
It is important to turn over the chicken from time to time. You can now serve it - enjoy!