Everything took hours to make, but the runny gravy waters everything down as much as it adds flavor. A cooking slurry of water and either cornstarch or fluffed flour can thicken things up ...

Soak cashews, grind them into a smooth paste, and add it to your gravy. It thickens the curry while making it rich and creamy. For a thick restaurant-style gravy, soak magaj seeds in warm water, blend ...