3 blue crabs, 1 piece of ginger, 1 piece of green onion, 1 handful of Sichuan peppercorns, 1 teaspoon of salt, 3g of cold boiled water, 50g of cooking oil, 20g of Sichuan peppercorns. Step 1: Prepare the blue crabs and let them fully soak in the salted wa
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