Any one know how they make chicken tikka masala sold at indian/pakistani resturante?!

Any one know how they make chicken tikka masala sold at indian/pakistani resturante?

Chicken Tikka Masala


"This is an easy recipe for Chicken Tikka Masala - Chicken marinated in yogurt and spices and then served in a tomato cream sauce. Serve with rice or warm pita bread."


* 1 cup yogurt
* 1 tablespoon lemon juice
* 2 teaspoons ground cumin
* 1 teaspoon ground cinnamon
* 2 teaspoons cayenne pepper
* 2 teaspoons freshly ground black pepper
* 1 tablespoon minced fresh ginger
* 4 teaspoons salt, or to taste
* 3 boneless skinless chicken breasts, cut into bite-size pieces
* 4 long skewers
*
* 1 tablespoon butter
* 1 clove garlic, minced
* 1 jalapeno pepper, finely chopped
* 2 teaspoons ground cumin
* 2 teaspoons paprika
* 3 teaspoons salt, or to taste
* 1 (8 ounce) can tomato sauce
* 1 cup heavy cream
* 1/4 cup chopped fresh cilantro

DIRECTIONS

1. In a large bowl, combine yogurt, lemon juice, 2 teaspoons cumin, cinnamon, cayenne, black pepper, ginger, and 4 teaspoons salt. Stir in chicken, cover, and refrigerate for 1 hour.
2. Preheat a grill for high heat.
3. Lightly oil the grill grate. Thread chicken onto skewers, and discard marinade. Grill until juices run clear, about 5 minutes on each side.
4. Melt butter in a large heavy skillet over medium heat. Saute garlic and jalapeno for 1 minute. Season with 2 teaspoons cumin, paprika, and 3 teaspoons salt. Stir in tomato sauce and cream. Simmer on low heat until sauce thickens, about 20 minutes. Add grilled chicken, and simmer for 10 minutes. Transfer to a serving platter, and garnish with fresh cilantro.