Company Chicken Pasta Salad with Grapes

INGREDIENTS

• 2 cups small seashell pasta
• 3 1/2 cups chopped poached chicken breast meat
• 1/2 cup diced celery
• 1 cup seedless green grapes, halved
• salt to taste
• 1/4 teaspoon ground white pepper
• 1/3 cup mayonnaise
• 1/2 teaspoon curry powder
• 1/4 teaspoon ground cumin
• 2 tablespoons rice vinegar
• 1 tablespoon white sugar