Japanese Milk Bread (Shokupan)

Ingredients

Equipment Needed

• •Stand mixer with dough hook (or strong arms and patience)
• •9x5-inch loaf pan
• •Instant-read thermometer
• •Bench scraper
• •Kitchen scale
• •Wire cooling rack

Instructions

1. 1

   Make the tangzhong

   Combine 25g bread flour and 120ml milk in a small saucepan. Whisk until no lumps remain. Place over medium-low heat and stir constantly with a spatula, scraping the bottom and sides. Within 3 to 4 minutes, the mixture will transform from thin liquid to thick paste. You'll feel the resistance change in your spatula. When you drag it across the bottom and the paste holds its shape for a moment before slowly flowing back, you've arrived. Remove from heat immediately. The paste should be smooth, glossy, and thick enough to mound on a spoon. Transfer to a bowl, press plastic wrap directly onto the surface to prevent a skin from forming, and cool to room temperature. This takes about 30 minutes, or you can refrigerate for 15 minutes.

   If you have an instant-read thermometer, the tangzhong is ready at 149°F (65°C). This is the precise temperature at which wheat starch gelatinizes.
2. 2

   Combine the dough

   In the bowl of a stand mixer fitted with the dough hook, combine 350g bread flour, sugar, yeast, and salt. Give it a brief stir with a fork to distribute the yeast away from the salt. Add the cooled tangzhong, room temperature milk, and egg. Mix on low speed until a shaggy dough forms, about 2 minutes. The dough will look rough and uneven. That's fine. Increase speed to medium and knead for 8 minutes. The dough will come together, slapping against the sides of the bowl in a steady rhythm. It should clear the sides but stick slightly to the bottom.

   No stand mixer? Knead by hand for 15 to 20 minutes. The dough starts sticky but becomes smooth and elastic with persistent work. Use a bench scraper to manage the stickiness rather than adding extra flour.
3. 3

   Add the butter

   With the mixer on medium-low, add the softened butter one tablespoon at a time. Wait until each piece is mostly incorporated before adding the next. The dough will look greasy and broken at first. This is normal. Keep kneading. After another 8 to 10 minutes, the dough will transform into something beautiful: smooth, supple, and slightly tacky to the touch. It should pass the windowpane test. Pinch off a small piece and stretch it gently between your fingers. If you can stretch it thin enough to see light through without tearing, your gluten is properly developed. If it tears, knead for another 3 minutes and test again.

4. 4

   First rise

   Shape the dough into a ball by tucking the edges underneath. Place in a lightly greased bowl, seam side down. Cover tightly with plastic wrap. Let rise in a warm spot until doubled in size, about 1 to 1 1/2 hours. The ideal temperature is around 75°F to 80°F. If your kitchen runs cool, place the bowl in an oven with just the light on, or near a warm appliance. The dough is ready when you press a floured finger into it and the indentation springs back slowly, leaving a slight depression.

   Enriched doughs rise slower than lean doughs because fat inhibits yeast activity. Be patient. Rushing this stage produces dense bread.
5. 5

   Shape the loaf

   Turn the dough onto an unfloured surface. Divide into three equal pieces using a bench scraper or sharp knife. A kitchen scale ensures precision: each piece should weigh about 200g. Working with one piece at a time, press into a rough rectangle about 5 inches wide. Fold the top third down and the bottom third up, like a business letter. Turn 90 degrees and roll into a tight cylinder about 4 inches long, pinching the seam to seal. Place seam side down in a greased 9x5-inch loaf pan. Repeat with remaining pieces, arranging them side by side. The three rolls should fit snugly.

6. 6

   Second rise

   Cover the pan loosely with plastic wrap or a clean kitchen towel. Let rise until the dough crowns about 1 inch above the rim of the pan, about 45 minutes to 1 hour. The three sections will merge into one another but remain distinct. When you look at the side of the pan, you should see the dough pressing gently against the glass or metal. The surface should look pillowy and slightly jiggly when you tap the pan. If the dough feels dense or resistant, give it more time.

7. 7

   Prepare for baking

   Position a rack in the lower third of your oven. Preheat to 350°F (175°C) for at least 20 minutes. A properly heated oven is essential for the initial spring that creates the bread's light texture. Gently brush the risen dough with egg wash, using a soft pastry brush and light strokes. Don't press down or you'll deflate your careful work. Cover the entire visible surface for even browning.

8. 8

   Bake the bread

   Bake for 30 to 35 minutes, rotating the pan halfway through. The loaf is done when the top is deep golden brown and an instant-read thermometer inserted into the center reads 190°F (88°C). The internal temperature matters more than appearance: enriched breads can brown quickly while remaining underbaked inside. If the top is browning too fast, tent loosely with foil for the final 10 minutes. The crust should sound hollow when tapped.

9. 9

   Cool completely

   Remove from oven and let rest in the pan for 5 minutes. Run a thin knife around the edges if needed, then turn out onto a wire rack. The bread must cool completely before slicing, at least 1 hour. I know this requires discipline. Cutting into warm bread compresses the crumb and releases moisture that should stay inside. The texture firms as it cools, and the flavors settle. A properly cooled slice will be tender and pullable, with a fine, even crumb and the faintest sheen from the butter and egg.

Chef Tips

• •Weigh your flour. Cup measurements vary wildly depending on how you scoop. A kitchen scale costs less than two bags of good flour and will transform your baking.
• •Bread flour matters here. All-purpose will work but produces a slightly less structured crumb. The higher protein content in bread flour develops stronger gluten, which traps the gases that create lift.
• •Store the finished loaf in a sealed plastic bag at room temperature for up to 4 days. The tangzhong keeps it remarkably soft. For longer storage, slice and freeze. Toast directly from frozen.
• •This dough also makes exceptional dinner rolls. Divide into 12 pieces, shape into balls, and arrange in a 9x13-inch pan. Reduce baking time to 20 to 25 minutes.
• •Unsalted butter gives you control over the final salt level. If you only have salted butter, reduce the salt in the dough to 1/2 teaspoon.

Advance Preparation

• •The tangzhong can be made up to 3 days ahead and refrigerated. Bring to room temperature before using.
• •Shaped dough can be refrigerated overnight for the second rise. Cover tightly with plastic wrap, refrigerate immediately after shaping, and add 30 to 45 minutes to the second rise time the next morning.
• •Baked bread freezes beautifully for up to 2 months. Wrap tightly in plastic, then foil. Thaw at room temperature still wrapped to prevent condensation on the crust.

Frequently Asked Questions

Nutrition Information

1 slice (about 42g)