Tofu Mitarashi Dango (Dumplings with salty-sweet sauce)

Tofu is used for the standard Japanese-style confectionary (Wagashi) to make a healthy, sticky dango. The stock flavor of the mitarashi-an that is poured over the top gives it a richer taste.
Ingredients(for ten pieces)
1 Imuraya Umashi tofu
70g Sticky rice flour (glutinous rice flour)
Ingredients (A)
4 tablespoon Granulated sugar
1 and 1/2 tablespoon Soy sauce
Two pinches of Bonito Soup Stock
3 tablespoon Water
Ingredients (B)
1 tablespoon Cornstarch
1 tablespoon Water
Directions
1.In a bowl, mix the Umashi tofu and sticky rice flour, and knead until smooth. Divide into 10 pieces, roll them up, and press the center with your fingers to make indentations.
2.Bring a pot to a boil, add 1., and when it floats, boil it for about 3 minutes. Cool in water, then drain.
3.Make the mitarashi sauce (salty-sweet sauce). Put Ingredients (A) in a pot and heat over low heat, when it comes to a boil, add dissolved Ingredients (B) while stirring. Stir constantly and cook until thickens.
4.Place the Dango (dumplings) on a plate and pour over the sauce of 3..