How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Japanese Tofu Casserole ?

You need 12 ingredients. The key ingredients include: 2 teaspoons instant dashi powder (Instant dashi is Japanese stock made from bonito (dried tuna flakes) and seaweed), 4 cups water, 2 teaspoons finely grated fresh ginger, 1/4 pound shiitake mushrooms, stemmed and caps thinly sliced, and more.

Is Japanese Tofu Casserole suitable as vegetarian?

Yes, Japanese Tofu Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Japanese Tofu Casserole ?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Japanese Tofu Casserole Recipe

Name: Japanese Tofu Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 teaspoons instant dashi powder (Instant dashi is Japanese stock made from bonito (dried tuna flakes) and seaweed); 4 cups water; 2 teaspoons finely grated fresh ginger; 1/4 pound shiitake mushrooms, stemmed and caps thinly sliced; 1/2 cup shelled edamame (3 ounces); One 14-ounce package firm silken tofu, cut into 1-inch cubes; 8 water chestnuts, thinly sliced; One 5-ounce bag baby spinach; 2 tablespoons low-sodium soy sauce; 2 tablespoons mirin; 1 teaspoon fresh lemon juice; 1 scallion, thinly sliced

Try this homemade Japanese Tofu Casserole recipe the whole family will love. Made with bonito, water, ginger and shiitake mushrooms. Easy step-by-step i…

This Japanese Tofu Casserole relies on simple, everyday ingredients such as water, finely grated fresh ginger, shelled edamame (3 ounces) and one 5-ounce bag baby spinach. It comes together quickly and makes 4 servings, at about 13 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Vegetarian

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Japanese Tofu Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions