01 - Combine soy sauce, brown sugar, and water in a medium bowl. Stir until sugar dissolves completely.
02 - Heat vegetable oil in a large skillet or wok over medium-high heat until shimmering.
03 - Add chicken pieces to the hot pan. Cook for 4-5 minutes, turning frequently to brown all sides evenly.
04 - Stir in minced garlic and grated ginger. Sauté for 1 minute until fragrant, being careful not to burn the garlic.
05 - Pour the prepared sauce over the chicken. Stir well to coat all pieces thoroughly.
06 - Bring to a simmer and cook for 6-8 minutes, or until sauce thickens and chicken is cooked through.
07 - Remove from heat. Garnish with sliced green onions if desired. Serve immediately with steamed rice or noodles.