1. Marinate the Chicken:
– In a bowl, mix yogurt, garam masala, cumin, coriander, turmeric, chili powder, minced garlic, and grated ginger.
– Add chicken pieces, ensuring they are well coated. Cover and refrigerate for at least 1 hour, preferably overnight.

2. Cook the Chicken:
– Heat a grill pan or skillet over medium-high heat. Add a little oil.
– Remove chicken from the marinade, shaking off excess. Cook for about 5-7 minutes until browned and cooked through. Set aside.

3. Prepare the Sauce:
– In the same pan, add chopped onions and sauté until golden brown.
– Add diced canned tomatoes and season with salt. Cook for 10 minutes until tomatoes break down.

4. Combine Chicken and Sauce:
– Add the cooked chicken to the pan with the tomato sauce.
– Stir in the heavy cream, mixing well to combine. Simmer for another 5-10 minutes, allowing flavors to meld.

5. Adjust Seasoning:
– Taste and adjust salt or spice levels to your preference.

6. Garnish:
– Before serving, sprinkle fresh cilantro on top for added flavor and presentation.

These straightforward instructions will guide you in recreating the incredible taste of Gordon Ramsay’s Chicken Tikka Masala effortlessly.