Soft, pillowy, and filled with smooth, sweet red bean paste, the Japanese Red Bean Bun (あんパン, Anpan) is one of Japan's most iconic bakery treats. Loved for over a century, Anpan combines fluffy milk bread with rich anko (sweet red bean paste), creating a simple yet comforting pastry enjoyed for breakfast, afternoon tea, or a light snack.

Often decorated with a sprinkle of black sesame seeds or a salted cherry blossom in the center, Anpan is a symbol of traditional Japanese baking and remains a favorite in bakeries, convenience stores, and homes across Japan.

What is Japanese Red Bean Bun?

Japanese Red Bean Bun, commonly known as Anpan, is a sweet yeast bread filled with anko, a paste made from cooked azuki beans and sugar. The bread is soft and slightly sweet, while the filling offers a smooth or chunky texture with a rich, earthy flavor.

There are two popular types of anko:

  • Koshian – Smooth red bean paste.
  • Tsubuan – Chunky red bean paste with whole bean pieces.

Both versions are delicious and commonly used in Japanese bakeries.

Ingredients

For the Dough

  • 3 cups bread flour
  • 2 tablespoons granulated sugar
  • 1 teaspoon salt
  • 2 teaspoons instant yeast
  • 180 ml warm milk
  • 1 large egg
  • 2 tablespoons unsalted butter, softened

For the Filling

  • 300 g sweet red bean paste (anko)

For the Egg Wash

  • 1 egg, beaten
  • 1 tablespoon milk

For Decoration

  • Black sesame seeds
  • White sesame seeds (optional)
  • Salted cherry blossom (optional, traditional)

Instructions

Step 1: Prepare the Dough

In a large bowl, combine the bread flour, sugar, salt, and instant yeast.

Add the warm milk, egg, and softened butter.

Knead for 10–12 minutes until the dough becomes smooth and elastic.

Cover and let rise in a warm place for about 1 hour, or until doubled in size.

Step 2: Prepare the Filling

Divide the red bean paste into 8 equal portions.

Roll each portion into a smooth ball.

Set aside.

Step 3: Shape the Buns

Punch down the risen dough and divide it into 8 equal pieces.

Flatten each piece into a circle.

Place one ball of anko in the center.

Carefully wrap the dough around the filling and pinch the edges tightly to seal.

Place the buns seam-side down on a parchment-lined baking tray.

Cover and let rise for another 30–40 minutes.

Step 4: Bake

Preheat the oven to 180°C (350°F).

Brush each bun with the egg wash.

Sprinkle black sesame seeds on top or place a salted cherry blossom in the center for a traditional finish.

Bake for 15–18 minutes, or until the buns are golden brown.

Cool slightly before serving.

Preparation Time

  • Preparation Time: 30 minutes
  • Rising Time: 1 hour 40 minutes
  • Baking Time: 18 minutes
  • Total Time: About 2 hours 30 minutes
  • Servings: 8 buns

Tips for Perfect Red Bean Buns

  • Use bread flour for a soft, chewy texture.
  • Allow the dough to rise in a warm, draft-free place.
  • Make sure the anko is thick enough to prevent leaking.
  • Seal the dough tightly around the filling.
  • Brush with egg wash for a shiny golden finish.
  • Cool slightly before eating, as the filling stays hot after baking.

Delicious Variations

Matcha Anpan

Add matcha powder to the dough for a vibrant green tea flavor.

Black Sesame Anpan

Mix black sesame paste into the red bean filling for a rich, nutty taste.

Chestnut Anpan

Add sweet chestnut pieces to the anko filling for an autumn-inspired treat.

Butter Anpan

Place a small piece of salted butter inside the red bean filling for a creamy, savory contrast.

Sweet Potato Anpan

Combine mashed Japanese sweet potato with red bean paste for extra sweetness.

Cream Cheese Anpan

Blend a small amount of cream cheese with the anko for a smooth, tangy filling.

Nutritional Information (Per Serving)

  • Calories: 290 kcal
  • Protein: 7 g
  • Carbohydrates: 49 g
  • Fat: 7 g
  • Fiber: 3 g
  • Sodium: 180 mg

Best Pairings

Japanese Red Bean Buns pair perfectly with:

  • Matcha Tea
  • Sencha Green Tea
  • Hojicha Tea
  • Black Coffee
  • Café Latte
  • Milk
  • Japanese Milk Tea
  • Fresh Fruit

Frequently Asked Questions

What is anko?

Anko is a sweet paste made from cooked azuki beans and sugar. It is one of the most popular fillings used in traditional Japanese desserts and pastries.

Can I use canned red bean paste?

Yes. High-quality canned or packaged anko works well and is commonly used for homemade Anpan.

How should I store Red Bean Buns?

Store them in an airtight container at room temperature for up to 2 days or refrigerate for up to 5 days. Warm them slightly before serving for the best texture.

Can I freeze them?

Yes. Wrap each bun individually and freeze for up to 2 months. Thaw at room temperature and reheat gently in the oven or microwave before serving.

Final Thoughts

Japanese Red Bean Buns are a timeless bakery favorite that perfectly blend soft, fluffy bread with the naturally sweet richness of red bean paste. Whether enjoyed with a cup of green tea, packed as a snack, or served as part of a Japanese-inspired breakfast, Anpan offers a comforting taste of Japan's baking tradition. Easy to make and endlessly enjoyable, these classic buns are sure to become a favorite in your kitchen.