A chocolate cake on a green cake stand with a silver palette knife spreading chocolate buttercream on top of it

Vegan Sweet Potato Chocolate Buttercream Frosting

This Vegan Sweet Potato Chocolate Buttercream Frosting is perfectly sweet, luxuriously rich and creamy, and unbelievably healthy.
Course Dessert
Cuisine American, British
Keyword chocolate sweet potato buttercream, paleo chocolate frosting, vegan cake frosting
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings 8
Calories 71kcal
Author Rhian Williams


  • 400 g (7 oz) sweet potatoes (about 2 medium-sized sweet potatoes)
  • 2 tablespoons (2 tablespoons) cocoa powder
  • 1 teaspoon (1 teaspoon) vanilla extract
  • Salt to taste
  • 3 tablespoons (3 tablespoons) maple syrup (or sub any other sweetener)
  • 1 teaspoon (1 teaspoon) coconut oil *


  • Cook sweet potatoes by boiling, steaming or roasting them until very soft and tender
  • Discard any skins, and add to a food processor along with all other ingredients
  • Whizz until completely smooth. Taste and adjust ingredients as necessary - add more maple syrup for sweetness, more salt for saltiness, more cocoa powder for chocolate flavour etc
  • Leave to cool before using as a cake frosting
  • Keeps for up to a few days in the fridge



*Coconut oil can be omitted for anĀ oil-freeĀ version.


Calories: 71kcal | Carbohydrates: 15g | Protein: 1g | Sodium: 28mg | Potassium: 204mg | Fiber: 1g | Sugar: 6g | Vitamin A: 7095IU | Vitamin C: 1.2mg | Calcium: 25mg | Iron: 0.5mg