Heat peanut oil in a large, heavy-based pot over medium heat. Fry garlic and chilli for a few seconds until fragrant. Add stock, rice wine and fish sauce. Cover and bring to the boil. Add clams, cover and bring back to the boil.
Reduce heat to a simmer and cook for 5-6 minutes or until clams open. Taste and, if necessary, adjust seasoning. Remove from heat and