Balsamic Chicken Lettuce Cups

4

• 1/4 c brown sugar
• 1/4 c balsamic vinegar
• 1 tbsp soy sauce
• 1 tbsp ginger (grated)
• 2 cloves garlic (fine dice)
• 1/4 tsp crushed red pepper
• 3 chicken thighs (skinned, deboned)
• 1 naval orange (segments)
• 1 scallion (green portion only)
• 1 head Boston lettuce