2 tbsp. Corn starch, optional to thicken sauce at the end
3 tsp. Garam masala
1 1/2 tsp. Cumin
1 1/2 tsp. Chili powder
1 tbsp. Ginger, chopped
1 tbsp. Garlic, minced
5 tbsp. Butter
1/2 Onion
1 1/2 cups Tomato sauce
1 1/2 cups Heavy cream
6 Chicken thighs boneless, skinless, cut into bite size cubes