Reunion Sweet Potato Cake

Reunion Sweet Potato Cake is a medium Reunion recipe that serves 8. 287 calories per serving. Recipe by Hervé Cuisine on YouTube.

Prep: 25 min | Cook: 1 hr 35 min | Total: 2 hrs 15 min

Cost: $7.00 total, $0.88 per serving

Ingredients

  • 1,5 kg Sweet potatoes (peeled, cut into pieces)
  • 3 pcs Eggs (at room temperature)
  • 100 g Sugar (white or brown)
  • 20 cl Milk (whole milk or coconut milk for an exotic note)
  • 1 pcs Vanilla bean (seeds scraped)
  • 30 g Butter (softened, for greasing the pan)
  • 100 ml Water (syrup) (for the syrup)
  • 2 c. à soupe Rum (optional) (to flavor the syrup)

Instructions

  1. Cooking the sweet potatoes

    Peel the sweet potatoes, cut them into pieces about 2 cm and place them in a pot of boiling water. Cook for 45 minutes until they are firm but tender.

    Time: PT45M

    Temperature: boiling water

  2. Prepare the vanilla

    Split the vanilla bean lengthwise and scrape the seeds with the back of a knife.

    Time: PT5M

  3. Blend the batter

    Drain the cooked sweet potatoes, place them in the blender bowl. Add the milk, eggs, sugar and vanilla seeds. Blend until a smooth and creamy texture is achieved.

    Time: PT5M

  4. Prepare the pan

    Generously butter a 26 cm diameter pan. Pour the batter into the pan and smooth the surface with a spatula.

    Time: PT5M

  5. Bake

    Bake the cake at 175 °C for 40 minutes. Check doneness by inserting the tip of a knife: it should come out clean.

    Time: PT40M

    Temperature: 175°C

  6. Prepare the syrup

    In a small saucepan, bring to a boil 100 g of sugar with 100 ml of water, the remaining vanilla seeds and the rum (if used). Let reduce a few minutes until slightly thickened.

    Time: PT10M

    Temperature: boiling

  7. Glaze the cake

    Allow the cake to cool for 10 minutes, then glaze evenly with the warm syrup using a kitchen brush.

    Time: PT10M

  8. Chill

    Refrigerate the cake for at least 1 hour before serving, so it firms up and the flavors develop.

    Time: PT1H

Nutrition Facts

Calories
287
Protein
4 g
Carbohydrates
45 g
Fat
8 g
Fiber
3 g

Dietary info: vegetarian, gluten-free, low-calorie, low-fat

Allergens: eggs, milk, butter, rum

Last updated: April 11, 2026

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Reunion Sweet Potato Cake

Recipe by Hervé Cuisine

A moist sweet potato cake, flavored with vanilla and topped with a light rum syrup. Originating from Reunion, it is served cold, ideal for dessert or snack.

MediumReunionServes 8

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Source Video
1h 20m
Prep
1h 40m
Cook
22m
Cleanup
3h 22m
Total

Cost Breakdown

$7.00
Total cost
$0.88
Per serving

Critical Success Points

  • Cooking the sweet potatoes until firm
  • Achieving a smooth and creamy batter in the blender
  • Baking the cake at 175 °C for 40 minutes
  • Glazing the cake with warm syrup for a glossy finish

Safety Warnings

  • Be careful with the boiling water pot: handle with kitchen gloves.
  • The oven reaches 175 °C: use oven mitts to remove the pan.
  • The syrup is very hot: avoid splashes on skin.

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