Slow Cooker Teriyaki Chicken - Life with Susan

Name: Slow Cooker Teriyaki Chicken - Life with Susan
Cuisine: Asian, Japanese, Korean
Ingredients: 4 boneless, skinless chicken breasts; Salt and pepper to taste; Sliced green onions to serve; 1 cup soy sauce; 1 cup brown sugar; 1 cup water; ½ cup rice vinegar; 2 cloves garlic, chopped; 1 tsp. ginger, chopped; 2 tbsp. Cornstarch, diluted in 2 tbsp. water; 2 tbsp. sesame seeds + to serve