Creating Authentic Indian Butter Chicken can be an enjoyable process when you follow these straightforward steps:

1. Prepare the Marinade: In a large bowl, mix yogurt, lemon juice, garam masala, cumin, coriander, turmeric, red chili powder, and salt until well combined.
2. Marinate the Chicken: Add the chicken pieces to the marinade, ensuring each piece is coated. Cover and refrigerate for at least 1 hour or overnight for the best flavor.
3. Sauté Onions: In a large pan, melt butter over medium heat. Add the chopped onions and sauté until they turn golden brown.
4. Add Garlic and Ginger: Stir in the minced garlic and grated ginger, cooking for an additional minute until fragrant.
5. Cook Chicken: Add the marinated chicken to the pan. Cook for about 8-10 minutes until the chicken is cooked through.
6. Add Tomato Purée: Pour in the tomato puree, stirring to combine. Let it simmer for 10 minutes to allow the flavors to meld.
7. Incorporate Cream: Reduce heat to low and stir in heavy cream, mixing until well incorporated. Cook for another 5-7 minutes, adjusting seasoning as needed.
8. Garnish: Remove from heat and garnish with fresh cilantro before serving.

By following these steps, you will create an aromatic and delicious Butter Chicken dish that is sure to impress!