Combine the ingredients for the cashew sauce in a blender until they have a smooth consistency.
In a heated pan with avocado oil, sauté onions with a pinch of salt for about 5-7 mins. Then, add garlic and ginger, sauté for an additional 3 mins. Add spices and heat for a minute until fragrant.
Incorporate the 3/4 of the white creamy sauce, chickpeas, miso paste, coconut milk, spinach, and a splash of water if needed to thin out the curry. Bring it to a bubble, then reduce heat to medium, stirring continuously for 10 mins. Taste test and Adjust seasoning as needed.
Finish by topping with reserved cream sauce, chili flakes, and cilantro.