Chicken Tikka Masala

Ingredients
1 cup yogurt
1 tablespoon lemon juice
2 teaspoons ground cumin
1 teaspoon ground cinnamon
1 teaspoons cayenne pepper
2 teaspoons freshly ground black pepper
1 tablespoon minced fresh ginger
1 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
2 teaspoons ground cumin
1 teaspoons paprika
1 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 for 1 minute. 5.  Season with 2 teaspoons cumin, paprika, and 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.