HEAT THE OIL AND BUTTER IN A LARGE, LIDDED POT OVER MEDIUM HEAT/FIRE. ADD THE ONIONS AND GREEN PEPPERS SEASON WITH LITTLE SALT. ADD CHICKEN AND GARAM MASALA, COOK WHILE STIRRING ( TO PREVENT THE SPICES FROM BURNING) UNTIL CHICKEN HAS BROWNED.
ADD THE CHOPPED TOMATOES, COOK UNTIL TOMATOES ARE MUSHY THEN ADD THE TOMATO SAUCE AND 1/2 CUP OF WATER. COVER POT AND BRING TO A BOIL AND LOWER HEAT TO SIMMER FOR ABOUT 15-20 MINUTES.
ADD THE YOGURT AND DRIED PARSLEY IF USING, COOK UNTIL JUST HEATED THROUGH. HAVE A TASTE AND ADJUST SEASONINGS UNTIL IT SUITS YOU.
SPRINKLE WITH SOME CORIANDER LEAVES, IF YOU HAVE IT AND SERVE WITH RICE. ENJOY!!