Authentic Butter Chicken

• 1 kg Chicken (Breast or thighs, cubed)
• ½ cup Regular Yogurt
• 2 tsp Kashmiri Chili Powder
• 1 tbsp Coriander Powder
• 2 tsp Garlic Powder
• 2 tsp Ginger Powder
• 1 tsp Garam Masala
• 1 tsp Salt
• ½ tsp Tumeric Powder
• 2 tbsp Oil (for cooking chicken)

Sauce

• 1 tbsp Olive Oil
• Little Knob of Butter
• 1 stick Cinnamon
• 3 Cloves
• 5 Chilis (I empty the seeds but you could leave them)
• 2 pods Cardamom
• 1 Onion (chopped)
• 6 cloves Garlic (Minced)
• ¼ cup Raw Cashews
• 1 Tomato (Chopped)
• 2 tbsp Ketchup
• ¼ cup Cooking Cream
• ½ tsp Salt (Adjust to taste)
• 1 tbsp Dried Fenugreek