The combination of pork and clams in this dish is unusual, but creates a rich flavour that makes it easy to see why this stew has become so popular across the country. The roast capsicum paste will keep refrigerated in an airtight container for up to 1 week. You will need to marinate the pork overnight.The combination of pork and clams in this dish is unusual, but creates a rich flavour that makes it easy to see why this stew has become so popular across the country. The roast capsicum paste will keep refrigerated in an airtight container for up to 1 week. You will need to marinate the pork overnight.