Whip up this budget-friendly, Chinese favourite in just 20 minutes
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To butterfly a prawn, make a cut along the entire length of the prawn, cutting almost all the way through. Pull out the black vein. Butterflying the prawns isn’t essential, but it helps them to cook more quickly, trap sauce and look great on your plate. Watch our step-by-step video on preparing prawns at bbcgoodfood.com.