bake · Baking

How to Make Buttercream Frosting

Name: How to Make Buttercream Frosting
Ingredients: 1 cup unsalted butter; 3-4 cups powdered sugar; 2 tsp vanilla extract; 1/4 tsp salt; variable cream or milk

Real buttercream starts with butter at room temperature — soft enough to dent with your finger but not melted. Beat it until it's pale and fluffy, then gradually add powdered sugar, vanilla, and a pinch of salt. The key is patience with the mixing and getting your butter temperature right from the start.

Total time: 2 hr 15 min
Hands-on: 15 min
Difficulty: Easy

Ingredients

1 cup unsalted butter
3-4 cups powdered sugar
2 tsp vanilla extract
1/4 tsp salt
variable cream or milk

Step by step

Bring butter to room temperature. Take one cup of unsalted butter out of the fridge 2-3 hours before you plan to make frosting. It's ready when you can press your finger into it and leave a dent without it being greasy or melted.
Beat the butter. Use an electric mixer on medium speed for 3-4 minutes. The butter will go from yellow to nearly white and double in volume. This creates the light, fluffy base that makes buttercream smooth.
Add powdered sugar gradually. With the mixer on low, add 3-4 cups of sifted powdered sugar one cup at a time. Let each cup incorporate before adding the next. Start slow or you'll have a sugar cloud in your kitchen.
Add vanilla and salt. Pour in 2 teaspoons of vanilla extract and 1/4 teaspoon of salt. Beat on medium speed for another 2 minutes until everything is smooth and holds its shape.
Adjust consistency. If too thick, add cream or milk one tablespoon at a time. If too thin, add more powdered sugar 1/4 cup at a time. Beat well after each addition.

Tips & troubleshooting

Sift your powdered sugar if it's lumpy — lumps won't beat out once they're in the butter
Room temperature matters more than you think — cold butter makes grainy frosting, warm butter makes soupy frosting
If your frosting looks curdled, keep beating — it usually comes together with more mixing time
Make buttercream up to a week ahead and store covered in the fridge — bring to room temperature and rebeat before using
Add food coloring after everything else is mixed — gel colors work better than liquid

Variations

Chocolate Buttercream. Add 1/2 cup of unsweetened cocoa powder with the powdered sugar. You'll need an extra 2-3 tablespoons of cream to balance the thickness.
Cream Cheese Buttercream. Replace half the butter with room-temperature cream cheese. Add it after beating the butter but before the sugar. Results in tangier, less sweet frosting.
Peanut Butter Buttercream. Beat in 1/2 cup of smooth peanut butter after the butter is fluffy. Reduce vanilla to 1 teaspoon and add an extra pinch of salt.

Questions

Why is my buttercream grainy?: Usually because the butter was too cold or the powdered sugar wasn't sifted. Try beating longer — sometimes it takes 5-8 minutes to smooth out. If that doesn't work, warm the bowl slightly with your hands while mixing.
How do I fix buttercream that's too sweet?: Add more salt — start with another 1/4 teaspoon. You can also add a tablespoon of cream cheese or a teaspoon of lemon juice to cut the sweetness without changing the texture much.
Can I make buttercream without powdered sugar?: Not traditional buttercream. Powdered sugar contains cornstarch that helps the frosting hold its shape. Granulated sugar won't dissolve properly and will make the frosting gritty.
How long does buttercream last?: Three days at room temperature, one week in the fridge, or three months frozen. Always bring refrigerated buttercream back to room temperature and rebeat before using.