Caramelized Ginger Chicken Thighs

Name: Caramelized Ginger Chicken Thighs
Cuisine: Asian
Ingredients: 2 tablespoon of oil; 3 tablespoons of brown sugar; 1 pound of chicken thighs, boneless; 1 onion, sliced; 3 cloves of garlic, finely diced; 1 large knob of ginger, sliced into thin match sticks; 1 tablespoon of fish sauce; 1 teaspoon of sesame oil; 1 1/4 cups of coconut water; pinch of salt & pepper to taste; scallions to garnish