Introduction to American Buttercream
American buttercream is a dependable frosting made by beating softened butter with powdered sugar, vanilla, cream, and salt. It needs no stovetop cooking, special equipment, or complicated technique, which makes it a useful recipe to keep on hand for birthdays, bake sales, and everyday cakes.
This frosting is sweet, creamy, and easy to adjust. Use less cream for a firm consistency that holds piped shapes, or add more for a softer frosting that spreads easily over a layer cake. The recipe makes about 4 cups, enough to frost 24 cupcakes with a modest swirl or fill and frost a two-layer 8- or 9-inch cake.
Why You'll Love This American Buttercream
- It uses five simple ingredients that are easy to keep in the pantry or refrigerator.
- The frosting comes together in about 20 minutes without cooking.
- You can make it softer for spreading or firmer for piping.
- Vanilla and a pinch of salt keep the sweetness balanced.
- It can be prepared ahead and brought back to a spreadable texture before serving.
Ingredients for American Buttercream
- 1 cup unsalted butter, softened
- 4 cups powdered sugar
- 2 tsp vanilla extract
- 2–4 tbsp heavy cream
- Pinch of salt
For the smoothest frosting, use softened butter rather than melted butter, and sift the powdered sugar if it is lumpy. The exact ingredients are 1 cup unsalted butter, softened; 4 cups powdered sugar; 2 tsp vanilla extract; 2–4 tbsp heavy cream; and Pinch of salt. Let the butter sit at room temperature until it gives slightly when pressed, but do not leave dairy ingredients out for more than two hours, or one hour when the room is above 90°F.
How to Make American Buttercream
Step 1: Soften the Butter
Place the butter in a large mixing bowl and let it soften at room temperature. It should be pliable enough for a mixer to press through, but it should still look solid and cool. If the butter is melted or greasy, the finished frosting may be loose and difficult to pipe.
Step 2: Beat Until Smooth
Using a hand mixer or stand mixer fitted with the paddle attachment, beat the softened butter on medium speed for 2 to 3 minutes. Scrape the sides and bottom of the bowl once or twice. The butter should look smooth and slightly lighter in color before you add the sugar.
Step 3: Add the Sugar Gradually
Add the powdered sugar in three or four additions, mixing on low speed after each addition until it is mostly incorporated. Starting slowly helps keep the sugar from flying out of the bowl. Once all the sugar is added, scrape the bowl again so no dry pockets remain.
Step 4: Add Vanilla, Cream, and Salt
Add the vanilla extract and the pinch of salt, then add 2 tablespoons of heavy cream. Mix on low speed until combined, then increase to medium speed and beat for 2 to 3 minutes. The frosting will become lighter and fluffier as it is beaten.
Step 5: Adjust the Texture
Check the consistency with a spatula. If the frosting is too thick for spreading, add the remaining heavy cream 1 teaspoon at a time, mixing well after each addition. If it is too soft, beat in a little more powdered sugar. Stop when the frosting holds its shape but still spreads without tearing the cake.
Step 6: Use or Store the Frosting
Use the buttercream immediately to frost a cooled cake, cupcakes, or cookies. For piping, transfer it to a piping bag fitted with your preferred tip. If you are not using it right away, cover it and refrigerate it. Let it sit at room temperature until softened, then beat it briefly before using.
Tips for Success
- Measure the powdered sugar by spooning it into a dry measuring cup and leveling the top, or weigh it when possible. Packed sugar can make the frosting too dense and sweet.
- Scrape the bowl several times during mixing, especially if you are using a stand mixer. Butter and sugar often cling to the bottom and sides.
- Mix on low speed for a minute after adding the sugar to reduce a cloud of powdered sugar, then increase the speed once the mixture is moistened.
- If the buttercream looks curdled, keep beating it for another minute. Temperature differences between the butter and cream can make it look uneven temporarily.
- For a whiter frosting, beat the butter for several extra minutes before adding the sugar. Vanilla extract will give the finished frosting a light cream color.
Equipment Needed
- Large mixing bowl
- Hand mixer or stand mixer with paddle attachment
- Rubber spatula
Variations
- For chocolate buttercream, replace 1/2 cup of the powdered sugar with 1/2 cup unsweetened cocoa powder, then add cream as needed to reach the same texture.
- For a citrus version, replace half of the vanilla extract with 1 teaspoon of finely grated lemon or orange zest. Add the zest with the sugar so it distributes evenly.
- For a cinnamon variation, add 1 teaspoon ground cinnamon with the powdered sugar. This works especially well on spice cupcakes and apple cake.
- For a coffee frosting, dissolve 1 teaspoon instant espresso powder in the cream before adding it to the butter mixture.
- For a less sweet frosting, start with 3 1/2 cups powdered sugar and add more only if needed. The texture will be softer and the butter flavor more noticeable.
Serving Suggestions
Spread American buttercream over a completely cooled cake or pipe it onto cooled cupcakes. It is also useful between cake layers, on sugar cookies, or as a filling for sandwich cookies. Let a refrigerated frosted cake stand at room temperature for about 30 minutes before serving so the frosting softens. Store leftovers in an airtight container in the refrigerator and use within 3 to 4 days for the best quality. Do not leave frosting containing butter and cream at room temperature for more than two hours, or more than one hour in temperatures above 90°F.
FAQs about American Buttercream
How much frosting does this recipe make? This recipe makes about 4 cups of buttercream. That is generally enough for 24 cupcakes with a modest amount of frosting or for filling and frosting a two-layer 8- or 9-inch cake.
Can I make American buttercream ahead of time? Yes. Cover it tightly and refrigerate it for up to 3 to 4 days. Let it soften at room temperature, then beat it briefly until smooth before spreading or piping.
Why is my buttercream too runny? The butter may have been too warm, or too much cream may have been added. Chill the frosting for 15 to 20 minutes, then beat it again. If it is still loose, mix in powdered sugar a few tablespoons at a time.
Why does my buttercream taste gritty? The powdered sugar may be lumpy, or the sugar may not have had enough time to blend with the butter. Sift the sugar before mixing and beat the finished frosting for several minutes. Scraping the bowl also helps distribute the sugar evenly.
Can I use milk instead of heavy cream? Yes, but heavy cream gives the frosting a richer texture. If using milk, add it gradually because you may need less. The finished frosting may be slightly lighter and less creamy.
Final Thoughts
American buttercream is a practical base recipe that works for simple cakes as well as carefully piped cupcakes. Keep the butter cool but soft, add the sugar slowly, and adjust the cream a little at a time. Those small steps make it easy to get a smooth frosting with the texture you want.
Looking for more? This recipe is part of our roundup of 6 Delicious Frostings & Buttercreams For Every Cake Worth Sharing.
American Buttercream
Ingredients
Equipment
Method
- Beat softened butter until smooth and slightly lighter, about 2 to 3 minutes.
- Add powdered sugar gradually on low speed, then mix in vanilla, salt, and 2 tablespoons heavy cream.
- Beat on medium speed for 2 to 3 minutes, adding more cream a little at a time until the frosting reaches the desired consistency.
- Use immediately or cover and refrigerate, then soften and beat briefly before using.
Nutrition
Notes
- This makes about 4 cups of frosting, enough for 24 modestly frosted cupcakes or a two-layer 8- or 9-inch cake.
- Use softened butter, not melted butter, for a stable frosting.
- Refrigerate leftovers and do not leave the frosting at room temperature for more than two hours.
