1/2 cup soy sauce
2 tablespoons ketchup
2 1/2 tablespoons distilled white vinegar
2 cloves garlic, minced
1 green bell pepper, chopped
1 package onion sliced
2 cups rice flour
In a large saucepan, combine soy sauce, ketchup, vinegar, garlic, bell pepper and onion slices. Bring to a boil, reduce heat to medium, and allow to simmer for 10 minutes.
Heat 2 cup water into a large saucepan over medium heat.
Place Onion slices and diced green peppers in a large bowl. Saute and stir together but do not mix, whisking well between starts. Gradually pour with enough water to cover. Reduce heat to medium heat, and add potato flour to steamer to deglaze. Simmer for 5 more minutes, adding water if necessary to completely cover mixture, stirring constantly. when mixture is glossy add chicken broth. Bring mixture to a boil. Heat both boilers, stirring constantly, until thickened. Serve.