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🥭 Mango Mochi with Mango Custard Filling

Mango Mochi with Mango Custard Filling is a soft, chewy rice-flour dessert filled with a silky mango custard center. The custard is gently cooked for richness, then chilled so it stays creamy inside the mochi. Optional mango extract boosts the fruit flavor, making each bite fragrant, smooth, and bakery-quality with a perfect balance of sweetness and tropical brightness. 🥭✨
Course Dessert, Snack, Sweet Treat
Cuisine Asian-inspired, Japanese
Keyword chewy rice cake, filled mochi, glutinous rice flour dessert, homemade mochi, Japanese sweets, mango custard mochi, mango dessert, mango mochi, tropical dessert
Prep Time 25 minutes
Cook Time 10 minutes
Chill time 45 minutes
Total Time 1 hour 20 minutes
Servings 12 mango mochis
Calories 120kcal
Cost $8 for entire recipe

Equipment

  • Medium saucepan (for mango custard)
  • Whisk
  • heatproof spatula or wooden spoon
  • Mixing bowls
  • Microwave-safe bowl (or steamer for mochi dough)
  • Plastic wrap (for chilling custard)
  • Measuring cups and spoons
  • Baking sheet or plate (for freezing custard portions)
  • Fine mesh sieve or shaker (for dusting starch)
  • Clean work surface or silicone mat

Ingredients

Mango Custard Filling

  • ¾ cup mango purée fresh or canned, smooth
  • 1 large egg yolk
  • tbsp granulated sugar
  • 1 tbsp cornstarch
  • 2 tbsp milk or coconut milk
  • Pinch of salt
  • Optional: ¼–½ tsp mango extract to taste

Mochi Dough

  • 1 cup glutinous rice flour
  • ¾ cup water or milk
  • ¼ cup granulated sugar
  • Pinch of salt

For Shaping

  • Cornstarch or potato starch for dusting

Instructions

Make the Mango Custard

  • In a small saucepan, whisk mango purée, egg yolk, sugar, cornstarch, milk, and salt until smooth.
  • Cook over medium-low heat, whisking constantly, until thick and glossy (about 3–5 minutes).
  • Remove from heat. Stir in mango extract (optional).
  • Transfer to a bowl, cover directly with plastic wrap, and chill until fully cold.
  • Scoop into 12 small portions and freeze 20–30 minutes until firm.

Make the Mochi Dough

  • In a microwave-safe bowl, mix rice flour, sugar, salt, and liquid until smooth.
  • Cover loosely and microwave 1 minute. Stir.
  • Microwave in 30-second intervals, stirring each time, until thick, sticky, and stretchy (2–3 minutes total).

Assemble

  • Dust a surface generously with starch.
  • Turn out mochi dough and let cool slightly.
  • Divide into 12 pieces.
  • Flatten each piece, place frozen custard in the center, pinch to seal.
  • Roll gently to smooth and dust lightly with starch.

Chill & Serve

  • Chill 10–15 minutes before serving for best texture.
  • Store refrigerated up to 2 days.

Notes

🥥 Variations

  • Mango Coconut Custard Mochi – use coconut milk + toasted coconut garnish
  • Mango Vanilla Mochi – add ¼ tsp vanilla to custard
  • Mango Mochi Ice Cream – freeze assembled mochis longer for a semifrozen center

📝 Recipe Notes – Mango Mochi with Mango Custard

  • Freeze the custard portions before filling. Firm custard is much easier to wrap and prevents leaks during shaping.
  • Use ripe, fragrant mangoes (Ataulfo or Alphonso if available) for the best flavor. If mangoes are mild, the optional mango extract makes a big difference.
  • Cook custard gently over medium-low heat and whisk constantly to avoid scrambling the egg yolk.
  • Dust generously with starch when handling mochi dough—it’s extremely sticky. Shake off excess before serving.
  • Do not overfill; about 1–1½ teaspoons of custard per mochi gives the best seal.
  • Let mochi cool slightly before wrapping so it doesn’t melt the custard.
  • Texture is best the day it’s made, but mochis can be refrigerated up to 2 days in an airtight container.
  • Avoid freezing finished mochis unless you want a firmer, ice-cream-like center.
  • For a coconut mango twist, replace milk with coconut milk in the custard and add a pinch of toasted coconut on top.