Possible Clues:

• Egg roll cooking medium
• Frying liquid, reverberating sound around fan, I say!
• Staple in Chinese cooking
• What may coat a wok
• Liquid used in cooking a sort of pilau — not with rice, ultimately
• It's often used in stir-frying
• Chinese cooking staple
• What pad Thai is often cooked in
• Chinese cuisine staple
• Stir-fry starter