Engkok, sweet potato layer cake
A Sumatran cake: a steamed dessert made with sweet potato puree, eggs, palm sugar, and coconut milk, layered to create a rich and flavorful treat.
Engkok is a traditional dessert originating from Sumatra, particularly from Palembang. It resembles the gemblong or getas and is made with a dough based on glutinous rice flour and grated coconut, topped with cane sugar or white sugar.
Ingredients and directions
- Prep time40 min
- Cook time1 hr 30 min
- Resting1 hr
- Total3 hr 10 min
- DifficultyMedium
- CostBudget
- Calories425 kcal/serving
- Cooking methodsteam
- Estimated cost$24.36 $2.03 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 15, 2026.
- Vegetarian
- Gluten-free
Ingredients
people
- $18.60
- $0.39
- $2.87
- $2.39
- $0.09
- $0.02
Prices from US supermarkets for 4 of 6 ingredients; Belgian prices for the rest.
Directions
- Boil the sweet potatoes until tender, peel them, and mash them into a smooth puree.
- Bring the coconut milk to a boil with the salt, then let it cool slightly.
- Whisk the eggs with the grated palm sugar and vanilla until the mixture has doubled in volume. Set aside a few spoonfuls. ≈ 4 min
- Add the sweet potato puree to the egg mixture, then add the coconut milk. ≈ 4 min
- Pour each layer, pour a thin layer into a mold and bake it until it is set, then repeat, adding layers one at a time. ≈ 3 min
- Apply the final layer of the sweet egg custard and finish cooking. Let it cool before cutting into portions.
The bill
Engkok, sweet potato layer cake
- 2 kg of sweet potatoes$18.60
- 500 g of palm sugar$0.39
- 500 ml of thick coconut milk$2.87
- 6 eggs$2.39
- 2 packets of vanilla sugar$0.09
- 1/2 teaspoon of salt$0.02
Total$24.36
that's $2.03 per person
Estimated price; varies by store.
Nutrition per serving
| Calories | 425 kcal |
|---|---|
| Fat | 10.5 g |
| Saturated fat | 7.8 g |
| Carbohydrates | 73.2 g |
| Sugars | 50.9 g |
| Fiber | 5.3 g |
| Protein | 6.6 g |
| Salt | 0.34 g |
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