Chicken Satay with Peanut Sauce

INGREDIENTS

• 2 tablespoons dark brown sugar
• 2 teaspoons red chili paste, such as sambal
• 1 1/2 pounds skinless, boneless chicken breasts, cut into strips
• 1 tablespoon curry powder
• 20 wooden skewers, soaked in water 30 minutes
• Vegetable oil, for grilling
• Fresh cilantro leaves
• Peanut sauce, recipe follows
• 1/4 cup chopped peanuts, for garnish
• 1/2 cup hot water
• 2 limes, juiced
• 1 cup smooth peanut butter
• 1/4 cup low-sodium soy sauce
• 1 teaspoon freshly grated ginger
• 1 teaspoon minced garlic
• Butter lettuce leaves
• 1 cup plain yogurt