Spicy Pickled Green Beans

Bahan-bahan (8 porsi)

• 1 pound very fresh green beans ((nice and crisp), ends trimmed)
• 2 cups rice vinegar
• ¼ cup granulated white sugar
• 2 tablespoons kosher salt
• 6 small dried red chiles, (such as Thai or arbol)
• 1 teaspoon multi-colored peppercorns
• One 3 inch long piece kombu (dried kelp) or seaweed
• 1 medium lemon, (sliced (seeds removed))