Soak the shallots in salted water for 5 minutes, then peel and slice thinly. Pat dry the sliced shallots thoroughly with a paper towel.
Heat the oil in a skillet and stir-fry the shallots over moderate heat until golden brown and crispy. Drain and set aside to cool. Store in an airtight container for 2 to 3 weeks. Use as a crispy garnish on noodles, rice and veget