Soaking aged Basmati rice hydrates the grains evenly, allowing for more uniform cooking and expansion. This results in longer, fluffier grains with a less sticky texture.
Aged Basmati rice is drier than freshly harvested rice. Soaking it before cooking serves several crucial purposes. First, it allows the grains to absorb moisture uniformly. This even hydration is essential for consistent cooking; otherwise, the outer layers might overcook while the inner core remains undercooked. Second, the absorbed water helps the rice expand to its full potential during cooking. The starch granules within the rice absorb the water and swell, contributing to the increased length and volume. Finally, soaking helps to remove excess surface starch. This reduces the stickiness of the cooked rice, resulting in distinct, separate grains with a light and fluffy texture. The ideal soaking time is typically between 30 minutes to 2 hours, depending on the age and dryness of the rice.
Avoid soaking Basmati rice for too long (over 2 hours), as it can become mushy during cooking. A shorter soaking time is preferable if you're using a pressure cooker or rice cooker, as these methods cook rice more quickly.