Ghee imparts a richer, nuttier flavor and aroma compared to oil when tempering spices. It also has a higher smoke point, allowing for higher heat without burning the spices, resulting in a more pronounced flavor infusion.
When tempering spices, the fat you use plays a crucial role in the final flavor profile of your dish. Ghee, which is clarified butter, and oil, while both fats, behave differently under heat and contribute distinct characteristics.
Flavor and Aroma: Ghee has a naturally nutty and slightly sweet flavor due to the milk solids being caramelized during the clarification process. This imparts a richer, more complex flavor to the spices as they are tempered. Oil, especially neutral oils like vegetable or canola oil, has a very subtle flavor, allowing the spices to be the primary flavor component.
Smoke Point: Ghee generally has a higher smoke point (around 482°F or 250°C) compared to many common cooking oils. This means you can heat ghee to a higher temperature before it starts to smoke and potentially burn, which can ruin the flavor of your spices. Using ghee allows you to achieve a more intense flavor extraction from the spices without the risk of burning them.
Texture: Ghee can add a slightly richer, more luxurious mouthfeel to the dish compared to oil, depending on the quantity used. This is due to its butterfat content.
Overall Impact: Using ghee will result in a dish with a more pronounced nutty, buttery flavor and a richer aroma, while using oil will allow the spices to shine through with a cleaner, less complex flavor profile.
Start with a lower heat than you think you need, regardless of whether you're using ghee or oil. Spices can burn quickly, and it's easier to increase the heat gradually than to rescue burnt spices.