Chicken Tikka Masala

INGREDIENTS

• 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 paprika
• 3 teaspoons salt, or to taste
• 1 (8 ounce) can tomato sauce
• 1 cup heavy cream
• 1/4 cup chopped fresh cilantro