Ingredients

3 tablespoons light brown sugar

2 tablespoons soy sauce

2 tablespoons mirin

1 tablespoon sherry vinegar

1 tablespoon whole grain mustard

1 tablespoon water

1 teaspoon cornstarch

1/8 teaspoon red pepper flakes

Preparation

Whisk ingredients together in small saucepan. Bring to boil over medium-high heat; simmer until thickened, about 1 minute. Remove from heat and cover to keep warm.