Chilled Broad Bean And Pea Soup

Ingredients

• 1 kg Broad beans in pods; or 350g
• ; frozen broad beans,
• ; thawed (2lb)
• 500 g Peas in pods; or 250g (8oz)
• ; frozen peas, thawed
• 25 g Vegetables margarine; (1oz)
• 1 lg Onion finely chopped
• 900 ml Vegetable stock; (11 1/2
• 2 Sprigs mint
• 1 150 gram car natural yogurt;
• 1/4 ts Curry paste