Pearl Couscous Salad with Grilled Chicken

Ingredients

• 1 1/2 cups green beans, trimmed and halved
• 3 boneless, skinless chicken breasts
• 1 tbsp salt
• 1 tbsp black pepper
• 1 cup bell pepper, cut into strips
• 3 tbsp capers
• 1/4 cup water
• 3 tbsp Dijon mustard
• 1 lemon, juiced
• 1 tsp sugar
• 1 tbsp Tabasco sauce
• 1 cup canola oil
• 1 tsp salt
• 1/2 tsp black pepper, freshly ground