Tabbouleh Canapés, a recipe from Gourmetpedia

Ingredients

• - 300 ml (1 1/4 cups) water
• - Salt
• - 225 g (8 oz.) couscous
• - 20 g (4 tsp.) butter
• - 50 g (2 oz.) onion
• - 25 g (1 oz.) lovage
• - 150 g (5 oz.) red pepper
• - 60 ml (1/4 cup) lemon juice
• - 40 ml (3 tbsp.) vinegar
• - 120 ml (1/2 cup) oil
• - 4 herb or milk buns
• - 150 g (5 oz.) shrimp