Prosciutto and Melon Couscous Salad

Ingredients

• 1 cup (250 ml) chicken broth
• 1 teaspoon (5 ml) butter
• 1 cup (250 ml) couscous
• 1/3 cup (75 ml) olive oil
• 3 tablespoons (45 ml) red wine vinegar
• 2 tablespoons (30 ml) Dijon mustard
• 1 cup (250 ml) small balls of honeydew melon
• 1 cup (250 ml) small balls of cantaloupe
• 2 1/2 oz (75 g) prosciutto, cut into julienne
• 1 green onion, finely chopped
• Pepper