Chicken Tikka Masala

• 2 lbs boneless skinless chicken thighs or breasts cut into 2-inch cubes

Marinade

• 1/2 medium red onion cubed
• 1 serrano green chile quartered
• 10 raw cashews
• 1 cup plain greek yogurt
• 1 tbsp ginger paste
• 1 tbsp minced garlic 
• 1/2 lime juiced, (1-2 tbsp juice)
• 2 tsp Kashmiri red chili powder
• 2 tsp dried fenugreek leaves
• 1 tsp kosher salt
• 1 tsp ground cumin
• 1 tsp garam masala
• 1 tsp ground coriander
• 1/2 tsp ground turmeric

Curry Sauce

• 2 tbsp ghee or vegetable oil
• 2 yellow onions chopped
• 4 cloves garlic minced
• 1 tbsp fresh ginger minced (1-inch piece)
• 1 tbsp curry powder
• 2 tsp garam masala (See Note 1)
• 2 tsp kashmiri chili powder (See Note 2)
• 1 tsp kosher salt
• 1 1/2 tsp paprika
• 1/2 tsp ground cumin
• 1/2 tsp ground coriander
• 1 tsp sugar
• 1/2 cup chicken stock
• 3 Roma (plum) tomatoes chopped or 14 oz chopped tomatoes
• 1 1/2 cups heavy cream or 14 oz coconut milk
• 1 lemon
• 2 tsp dried fenugreek leaves

Garnish/Serving

• cilantro sprigs
• Warm Naan
• Steamed basamati rice