Chicken Tikka Masala (Grill and Dutch Oven)

For the tikka masala spice blend:

• ½ teaspoon cumin ground
• ½ teaspoon ground coriander
• ½ teaspoon ground cardamom
• ½ teaspoon ground cinnamon
• ¼ teaspoon ground nutmeg
• ¼ teaspoon ground clove
• 3 ½ teaspoons Turmeric ground
• 1 tablespoon smoked hot paprika
• 1 ½ tablespoons ground ginger

For the chicken:

• 2 cups plain whole milk yogurt
• 5 teaspoons tikka masala spice blend
• 1 teaspoon salt
• 4 garlic cloves, peeled and minced or pressed
• 2 teaspoons lemon juice
• 1 pound chicken breast boneless, skinless, cut into bite-sized cubes

For the sauce:

• 8 tablespoons butter unsalted
• 1 ⅓ cup onion yellow, minced
• tikka masala spice blend remaining amount
• 8 garlic cloves, peeled and minced or pressed
• 4 tablespoons tomato paste
• 1 ⅓ cup crushed tomatoes canned, 11 ½ ounces
• ⅔ cup heavy cream
• ¼ teaspoon salt
• cilantro optional, finely chopped