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Sweet Red Bean Paste (Anko / Hong Dou Sha)

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  • Author: Evelyn
  • Prep Time: 10 minutes (plus optional parboil/soak time)
  • Cook Time: 60–90 minutes
  • Total Time: Approximately 1 hour 10 minutes to 1 hour 40 minutes
  • Yield: Approximately 600 g (around 1.3 lb)
  • Category: Filling/Paste
  • Method: Simmering, mashing/puréeing
  • Cuisine: East Asian (Japanese, Chinese)
  • Diet: Vegetarian

Description

Sweet red bean paste (Anko/Hong Dou Sha), a versatile East Asian filling made from azuki beans simmered with sugar into smooth or chunky texture.


Ingredients

  • dried azuki (red) beans – about 200 g (7 oz, ~1 cup)
  • water – enough to cover for cooking
  • sugar – ¾ cup (150–200 g), adjust to taste
  • salt – about ½ tsp
  • optional: butter or oil (e.g. coconut, walnut) for richness or smoothness

Instructions

  1. Rinse the azuki beans and optionally parboil: bring to a boil, then discard water to remove bitterness (Japanese method).
  2. Add fresh water to cover the beans by 1–2 inches; simmer with lid for 60–90 minutes until beans mash easily.
  3. For chunky paste (tsubuan): drain beans, return to pot, add sugar in two batches with salt; stir over medium‑low until moisture reduces and you can draw a line in the paste—then remove and cool.
  4. For smooth paste (koshian): drain, purée beans (food processor or sieve), return to pot, add sugar and salt in two additions, cook down until thick enough.
  5. Optionally, stir in a bit of butter or oil toward the end for richness—common in Chinese versions.
  6. Cool the paste on a tray; it will thicken further as it cools.
  7. Store: refrigerate up to ~3 days or freeze up to ~2 months in portions.

Notes

  • Soaking or parboiling helps reduce cooking time and bitterness.
  • You can adjust sugar levels to preference; some recipes use a mix of white and brown sugar or less sugar overall.
  • Adding oil or butter not only enhances texture but also helps prevent drying and stickiness.
  • Choose texture based on use: chunky for buns or tangyuan, smooth for mochi, mooncakes, or delicate pastries.

Nutrition

  • Serving Size: 2 tablespoons
  • Calories: 115 kcal
  • Sugar: 6.3 g
  • Sodium: 4.3 mg
  • Fat: 5.2 g
  • Saturated Fat: 1.7 g
  • Unsaturated Fat: 3.5 g
  • Trans Fat: 0 g
  • Carbohydrates: 15.2 g
  • Fiber: 1.8 g
  • Protein: 2.8 g
  • Cholesterol: 0 mg