For chicken tikka:-
Marinate 2-3 chicken fillet cubed with 4 tablespoon chicken tikka masala 2 tablespoon lemon juice 2 tablespoon vinegar 1 tablespoon ginger and garlic paste 2 tablespoon oil mix well and keep for marinate 30 minutes. Spread whole mixture into baking dish. Bake it for 35 minutues at 200 c.
In the pot heat 1⁄2 cup oil sauté 1⁄2 teaspoon ginger 1⁄2 teaspoon garlic paste for 2 minutes. Now boil 3-4 medium size tomatoes. Remove skin and make purée. Now add tomatoes into pot add 1/2 teaspoon chili powder 1⁄2 teaspoon black pepper 1⁄2 teaspoon jeera powder 1 small size onion paste. Chopped onion boil remove from water and make paste. 1⁄2 teaspoon Garam masala mix well cover and cook for 10 minutues on medium heat. Now add 3 tablespoon Greek yogurt cook more 10 minutues. After that it's to add chicken tikka and 3⁄4 cup fresh cream mix all together and cook 5 minutues. Garnish with chopped coriander and serve hot with naan roti or rice …