Cooking tomato puree before adding spices intensifies its flavor by reducing water content and caramelizing sugars, resulting in a richer, sweeter, and less acidic taste in your dish. This also helps the spices bloom properly, enhancing their aroma and flavor.
When you cook tomato puree on its own before introducing spices, several key transformations occur that significantly impact the final flavor profile of your dish. Firstly, the heat evaporates excess water present in the puree. This concentration process intensifies the tomato flavor, making it more pronounced and robust. Secondly, the natural sugars in the tomatoes undergo caramelization. This browning reaction creates complex flavor compounds that add depth and sweetness, balancing the inherent acidity of the tomatoes. Finally, cooking the puree first creates a better base for the spices to bloom. Blooming refers to the process where the heat releases the essential oils and aromas from the spices, maximizing their flavor impact. If the puree is too watery, the spices may not bloom effectively, resulting in a less flavorful dish. By cooking the puree beforehand, you create a concentrated, flavorful foundation that allows the spices to fully express themselves.
Be careful not to burn the tomato puree while cooking it. Stir frequently over medium-low heat to prevent sticking and scorching, which can impart a bitter taste.