Heat oil in a large saute pan (use the largest one you have) over medium heat. Add onions and saute for 12 to 15 minutes, until golden. Move onions to the side. Add chicken and saute for 5 to 6 minutes, until white.
In a small bowl, combine all sauce ingredients. Add to chicken. Raise heat to high and cook until chicken and onions are golden, about 5 minutes.
Recipe by Between Carpools at https://betweencarpools.com/the-perfect-easy-tasty-chicken-for-chol-hamoed-with-limited-ingredients/