Easy Chicken Satay with Easy Peanut Sauce

1 kilo chicken, (use chicken breast fillets), skinless, boneless,cut into 1-inch cubes

2 tablespoons brown sugar

5 tablespoons dark soy sauce

4 teaspoons ground ginger

2 cloves garlic, minced

1/4 teaspoon red pepper, crushed , (optional)

2 tablespoons brown sugar

2 1/2 tablespoons dark soy sauce

2 tablespoons lime juice, (from 3 to 4 limes)

5 tablespoons peanut butter

1/4 teaspoon red pepper, crushed

1 clove garlic, minced