This is a recipe my mom would make for us as kids. The difference between my mom's and mine, is that I've used boneless chicken to speed up the cooking and I've added onion and a green pepper. I've also added some cornstarch to help thicken the sauce.
My boys loved to have this with rice and Masoor Ki Daal. It's best to marinate overnight, but most times I don't because I'm not thinking that much in advance.