To achieve distinct, fluffy grains, rinse the rice thoroughly and use boiling water so the cooking process begins immediately. The timing for peas can be adjusted: if using frozen, add them straight from the freezer; for fresh, blanch first for even cooking. Frying the garnish onions until crisp adds a sweet crunch that contrasts beautifully with the soft rice. Traditionally, peas pullao was made during winter when fresh green peas are abundant and sweet. The natural sweetness of the peas contrasts beautifully with the spiced rice.