Ingredients
24
24 servings
- •1 egg
- •1 cup white sugar
- •0.5 cup milk
- •1.3333333730698 cups unsalted butter, at room temperature
- •1 tablespoon rum
- •1 teaspoon vanilla extract
Instructions
- Beat egg with a fork in a small, heavy saucepan. Mix in sugar and milk. Heat on medium-low heat, whisking constantly, until it just starts to boil. Continue beating rapidly until mixture thickens to a thin custard consistency. Remove from heat and cool completely, about 1 hour.
- Beat butter in a bowl with an electric mixer until light and creamy, about 5 minutes. Add cooled custard, 1 to 2 tablespoons at a time, beating well after each addition. Beat in rum and vanilla extract. Keep beating until buttercream is very light and fluffy.
Nutritional Facts
Per 24 servings
- Calories: 130
- Carbohydrate: 9g
- Fat: 11g
- Protein: 1g
- Sugar: 9g
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