Mango sticky rice, known in Thai as khao niao mamuang, is a beloved Southeast Asian dessert featuring sweet glutinous rice, ripe mango, and rich coconut sauce. This version, called “umi,” adds a subtle savory-sweet twist with a touch of salt and toasted mung beans, balancing the creamy coconut and juicy fruit. It works because the sticky rice is cooked to a tender, chewy texture and then soaked in a sweet-salted coconut mixture, creating a dessert that is both comforting and refreshing.
Ingredients
- 1 cup (200 g) Thai glutinous rice (also called sweet rice or sticky rice)
- 1 ½ cups (355 ml) coconut milk, divided
- â…“ cup (65 g) granulated sugar
- ½ teaspoon salt
- 2 ripe mangoes (about 600 g total), peeled and sliced
- 1 tablespoon toasted mung beans or sesame seeds, for garnish (optional)
- 1 teaspoon cornstarch mixed with 1 tablespoon water (slurry, optional for thicker sauce)
Instructions
- Rinse the glutinous rice in cold water several times until the water runs clear. Soak the rice in plenty of cold water for at least 30 minutes, or up to 2 hours for best texture. Drain well.
- Set up a steamer: fill a pot with a few inches of water and bring to a boil. Line a steamer basket with cheesecloth or a clean kitchen towel. Add the soaked rice and spread it evenly. Steam over boiling water, covered, for 20–25 minutes, until the rice is tender and translucent. Alternatively, cook the rice in a rice cooker with ¾ cup (180 ml) water, using the regular cycle.
- While the rice steams, make the coconut sauce: in a small saucepan, combine 1 cup (240 ml) of the coconut milk, sugar, and salt. Warm over medium heat, stirring, until the sugar dissolves. Do not boil. Remove from heat and set aside.
- When the rice is done, transfer it to a large bowl. Pour the warm coconut sauce over the hot rice and stir gently with a spatula to coat every grain. Cover and let the rice absorb the sauce for 15–20 minutes. The rice will look creamy and slightly glossy.
- For the topping sauce (optional), warm the remaining ½ cup (120 ml) coconut milk in a small pan. If you want a thicker sauce, stir in the cornstarch slurry and cook for 1–2 minutes until it thickens slightly. Season with a pinch of salt.
- To serve, place a generous scoop of sticky rice on a plate or bowl. Arrange mango slices alongside. Drizzle with the reserved coconut sauce and sprinkle with toasted mung beans or sesame seeds if using.
Tips
- Use Thai glutinous rice (also labeled “sweet rice”) – regular jasmine rice will not become sticky enough. Soaking is essential; don’t skip it, as it ensures even cooking and the proper chewy texture.
- Choose ripe but firm mangoes, such as Ataulfo or Nam Doc Mai, for a sweet, non-mushy texture. If mangoes are too soft, they will fall apart when sliced.
- Do not boil the coconut sauce after adding sugar and salt – overheating can cause it to separate. Keep it at a gentle simmer.
- If you prefer a less sweet dessert, reduce the sugar to ¼ cup (50 g). The salt is key to balancing the sweetness, so don’t omit it.
Serving Suggestions
Serve mango sticky rice warm or at room temperature. It is traditionally eaten as a dessert or snack, but it also pairs well with a cup of hot Thai tea or coffee. For a more indulgent presentation, add a scoop of coconut or vanilla ice cream on the side. The contrast of warm rice and cold mango is delightful.
Variations
- Black sticky rice: Substitute half of the white glutinous rice with black sticky rice (soak longer, about 1 hour). The black rice adds a nutty flavor and deep purple color.
- Mango with pandan: Add a pandan leaf to the coconut sauce while warming to infuse an aromatic, vanilla-like fragrance. Remove before serving.
- Vegan option: This recipe is already vegan if you use plant-based sugar (most granulated sugar is vegan). Ensure your coconut milk is unsweetened.
- Grilled mango: For a smoky twist, lightly grill mango slices for 1–2 minutes per side before serving.
Storage and Reheating
Store leftover mango sticky rice in an airtight container in the refrigerator for up to 3 days. Keep the mango separate from the rice to prevent it from becoming mushy. To reheat, microwave the rice in 15-second bursts until warm, adding a splash of water or coconut milk to restore moisture. The mango is best served fresh, but it can be refrigerated for a day. Do not freeze, as the texture of the rice will degrade.
Frequently Asked Questions
Can I use regular rice instead of glutinous rice? No, regular rice will not become sticky. Glutinous rice (also called sweet rice) is a different variety with a high amylopectin content that gives the characteristic sticky texture. You can find it in Asian grocery stores or online.
Why is my rice too dry or too wet? If the rice is dry, you may have used too little coconut sauce or not soaked the rice long enough. If it’s wet, you may have added too much sauce or not let it absorb fully. Adjust the amount of coconut sauce next time, and always let the rice rest after mixing.
Can I make this ahead of time? Yes, you can prepare the rice and sauce a day in advance. Keep them separate in the refrigerator. Reheat the rice gently with a little water, then mix in the sauce just before serving. The mango should be sliced fresh.
Is mango sticky rice served hot or cold? Traditionally it is served warm or at room temperature. The rice is warm when it absorbs the sauce, and the mango is cool. Some enjoy it chilled, but the texture is best when the rice is not cold.
What can I use instead of coconut milk? Coconut milk is essential for the authentic flavor and creaminess. If you must substitute, use a mixture of heavy cream and a little coconut extract, but the result will not be the same. For a lighter version, use light coconut milk, though the sauce will be thinner.
How do I toast mung beans? You can buy pre-toasted yellow mung beans at Asian stores. To toast at home, dry-fry raw mung beans in a skillet over medium heat for 3–4 minutes, shaking often, until golden and fragrant. Let cool before using.
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