Kohada donburi is a comforting and satisfying rice bowl dish that features gizzard shad as the main ingredient. To make this dish, you will need kohada fillets, sushi rice, soy sauce, mirin, sugar, and toppings such as sliced cucumber, pickled ginger, and shiso leaves. Start by marinating the kohada fillets in a mixture of soy sauce, mirin, and sugar for about 30 minutes. Then, cook the fillets in a pan until they are cooked through. Serve the cooked fish on top of a bowl of sushi rice and garnish with sliced cucumber, pickled ginger, and shiso leaves. The combination of the flavorful fish, seasoned rice, and refreshing toppings creates a delicious and satisfying meal. Enjoy this dish for lunch or dinner.