First, the sauce. It tastes a little sweet, a little salty, and a little umami – which roughly translates to savory. The sauce itself is delicate but has all the sweet-savory flavor you need to accentuate the enjoyment of fresh, hot tempura. Usually, shrimp and vegetable tempura are accompanied by a special dipping sauce that is full of flavor. 3 tbsp mirin 2 cups ichiban dashi (you can find the recipe on our site) 5 tbsp light soy sauce While it’s relatively thin, the sauce is also very rich in flavor. Tentsuyu (Tempura Dipping Suace): ¾ cup (180 ml) dashi (Japanese soup stock) (or ¾ cup water + 1 tsp dashi powder) 3 Tbsp soy sauce; 2 Tbsp mirin; 2 tsp sugar; The tempura dipping sauce can be put together quickly. Serve with tempura dipping sauce, called tentsuyu in Japanese. You can pour it into a small dipping bowl, piping hot, when you serve tempura. Tempura sauce. Tempura is a style of breading and deep frying for vegetables and seafood. Ingredients.