Quick Recipe Version (TL;DR)
Quick Ingredients
- 2.5 cups (600 ml) dashi stock
- 1/4 cup (60 ml) soy sauce
- 3 tbsp mirin
- 3 tbsp sake
- 1.5 tbsp sugar
- 12 oz (340 g) very thin-sliced beef
- 14 oz (400 g) firm or medium-firm tofu, drained and cubed
- 1 large yellow onion, thinly sliced
- 4 oz (115 g) shiitake or shimeji mushrooms (optional)
- 3 scallions, thinly sliced
- Hot cooked Japanese short-grain rice, 4 cups
Do This
- 1. Start rice so it’s ready when the stew is done.
- 2. Slice onion; cube tofu; prep mushrooms and scallions.
- 3. In a wide pot, combine dashi, soy, mirin, sake, sugar; bring to a gentle boil.
- 4. Add onion; simmer covered over medium-low for 8 minutes until tender.
- 5. Add tofu (and mushrooms); simmer 3–4 minutes.
- 6. Add beef in a thin layer; simmer 2–3 minutes until just cooked; skim foam.
- 7. Rest 5 minutes off heat; serve alongside or over hot rice; garnish with scallions.
Why You’ll Love This Recipe
- Weeknight-fast: dinner in about 35 minutes, start to finish.
- Comforting and balanced: savory-sweet dashi-soy broth with tender beef and custardy tofu.
- Flexible: great with mushrooms, shirataki noodles, or whatever veg you have.
- One pot, low mess: simmer, ladle, and eat over rice.
Grocery List
- Produce: 1 large yellow onion, mushrooms (shiitake or shimeji), ginger (optional), scallions
- Dairy: None
- Pantry: Thin-sliced beef (shabu-shabu style), firm tofu, short-grain rice, dashi (homemade or instant), soy sauce, mirin, sake, sugar, shichimi togarashi (optional)
Full Ingredients
Simmering Broth
- 2.5 cups (600 ml) dashi stock (use 2 tsp instant dashi granules in 2.5 cups water if not making fresh)
- 1/4 cup (60 ml) soy sauce
- 3 tbsp mirin
- 3 tbsp sake
- 1.5 tbsp granulated sugar
- 1 tsp finely grated fresh ginger (optional but lovely)
Beef and Tofu
- 12 oz (340 g) very thin-sliced beef (chuck, ribeye, or sirloin; shabu-shabu cut)
- 14 oz (400 g) firm or medium-firm tofu, drained and cut into 1-inch cubes
- 1 large yellow or sweet onion (about 10 oz/300 g), halved and sliced 1/4 inch thick
- 4 oz (115 g) shiitake caps (stems removed) or shimeji mushrooms, separated (optional)
- 3 scallions, thinly sliced on a bias, for garnish
For Serving
- 4 cups hot cooked Japanese short-grain rice (about 1 cup per serving)
- Shichimi togarashi, to taste (optional)

Step-by-Step Instructions
Step 1: Rinse and start the rice
Rinse short-grain rice in cool water until the water runs mostly clear, then cook in a rice cooker or on the stovetop so it finishes around the same time as the stew. Keep warm.
Step 2: Prep your ingredients
Halve the onion through the root, then slice into 1/4-inch arcs. Drain tofu and cut into 1-inch cubes. If using mushrooms, remove tough stems (shiitake) and slice or keep small caps whole. Slice scallions on a bias for garnish. Keep the thin-sliced beef chilled until ready to cook.
Step 3: Build the simmering broth
In a wide, shallow pot, skillet, or donabe (10 to 11 inches across), combine the dashi, soy sauce, mirin, sake, sugar, and optional grated ginger. Bring just to a boil over medium heat, stirring to dissolve the sugar.
Step 4: Soften the onions
Add the sliced onions. Reduce heat to medium-low, cover, and simmer gently for 8 minutes, until the onions are translucent and sweet but still hold their shape.
Step 5: Add tofu (and mushrooms)
Slide in the tofu cubes and, if using, mushrooms. Simmer uncovered for 3 to 4 minutes to warm the tofu through and season it. The broth should be gently bubbling, not vigorously boiling.
Step 6: Cook the beef just until tender
Disperse the beef slices across the surface in a thin layer so they cook evenly. Simmer 2 to 3 minutes, turning once, until just cooked through and tender. Skim off any foam to keep the broth clear.
Step 7: Rest, taste, and serve
Turn off the heat and let the pot rest 5 minutes to allow flavors to settle. Taste the broth and adjust with a splash of soy (saltier), mirin (sweeter), or a spoon of hot dashi (milder) if desired. Spoon beef, tofu, and onions alongside or over bowls of hot rice. Ladle some broth over and garnish with scallions and a pinch of shichimi togarashi if you like a little heat.
Pro Tips
- Use paper-thin beef: shabu-shabu cuts cook in seconds and stay tender. If slicing at home, partially freeze the beef 20 minutes for easier, thinner cuts.
- Clear, clean broth: keep the simmer gentle and skim foam for a glossy, restaurant-style finish.
- Dashi options: instant granules are great on busy nights; for extra depth, use kombu-bonito or shiitake-kombu dashi.
- Season to your soy: brands vary in saltiness; taste and fine-tune the broth before adding the beef.
- Better after a rest: 5 to 10 minutes off heat lets tofu soak up flavor and keeps beef tender.
Variations
- Chicken and Napa: swap beef for 1 lb boneless skinless chicken thighs (bite-size) and add 2 cups chopped napa cabbage with the onions; simmer chicken 6 to 8 minutes.
- Vegetarian Mushroom Dōfu: omit beef; double mushrooms (shiitake, shimeji, and king oyster). Use shiitake-kombu dashi for rich umami.
- Shirataki Noodles: add 7 oz shirataki, rinsed and parboiled 2 minutes, in Step 5 for extra slurp without heaviness.
Storage & Make-Ahead
Refrigerate leftovers (broth, beef, tofu, onions, and mushrooms) in an airtight container up to 3 days. Reheat gently over low heat until steaming; avoid boiling to keep the beef tender. Rice stores separately in the fridge up to 2 days; sprinkle with a little water and microwave covered to re-steam. The broth can be mixed 3 days ahead and kept chilled; slice onions and cube tofu up to 1 day ahead. Freezing is possible but tofu texture becomes spongy and beef can dry—best enjoyed fresh or refrigerated only.
Nutrition (per serving)
Approximate values with 1 cup cooked rice: 500 calories; 28 g protein; 14 g fat; 60 g carbohydrates; 3 g fiber; 1200 mg sodium. Values will vary with cut of beef, soy brand, and portion of broth consumed.


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