- Desserts
- French
- Stovetop
- Pistachios
A sophisticated frosting for a sophisticated flavor.
By
Stella Parks
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Stella Parks
Editor Emeritus
Stella Parks is a CIA-trained baking nerd and pastry wizard, dubbed one of America's Best New Pastry Chefs by Food & Wine. She was the pastry editor at Serious Eats from 2016 to 2019.
Learn about Serious Eats'Editorial Process
Updated April 15, 2020
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Why It Works
- Using toasted sugar brings the overall sweetness into balance, adding complexity of flavor.
- Liquid ingredients help the sugar dissolve and can add a note of flavor.
- At 155°F (68°C), the egg yolks will be fully cooked.
- Testing the finished buttercream with a thermometer helps rule out problems related to temperature, a common concern in recipes built on butter.
The rich custard flavor of French buttercream gives this pistachio frosting a gelato-like quality that's hard to resist, with a hint of caramel from toasted sugar, and splash of liqueur to add a complementary note (we love how the herbs in Cardamaro underscore the grassiness of pistachio, while Maraschino can play up its fruity/nutty side, but even rum works in a pinch).
Homemade pistachio paste gives this frosting the best color, consistency, and flavor, particularly when made with Sicilian pistachios. Take care when working with commercial pastes, as they can vary considerably from brand to brand, due to various proportions of added sugar and oil.
French Buttercream Frosting Recipe
Recipe Details
Pistachio Frosting Recipe
Serves48 servings
Makes6 cups
Ingredients
5 1/2 ounces egg yolk (shy 2/3 cup; 155g), from about 10 large eggs
5 1/4 ounces plain or lightly toasted sugar (about 3/4 cup; 145g); see note
1 ounce liqueur or amaro, such as Cardamaro, Maraschino, and rum, or just water (about 2 tablespoons; 30g)
1/2 teaspoon (2g) Diamond Crystal kosher salt; for table salt, use about half as much by volume or the same weight, or more to taste
16 ounces unsalted butter(4 sticks; 455g), softened to about 65°F (18°C)
Homemade pistachio paste to taste, up to 14 ounces (396g)
Directions
For a Stand Mixer With a Bowl-Lift Design: Tear off a long strip of foil and crumple it into a thick ring. Place it in the bottom of a 3-quart saucier or similarly large, wide pot, and fill with roughly 1 1/2 inches water. Place over high heat until bubbling-hot, then adjust the temperature to maintain a gentle simmer. In a stainless steel stand mixer bowl, combine egg yolks, sugar, Cardamaro or other liquid ingredient, and salt. Place bowl over steaming water, stirring and scraping constantly with a flexible spatula, until egg yolk syrup reaches 155°F (68°C). This should take only about 5 minutes; if the process seems to be moving slowly, simply turn up the heat. Transfer bowl to a stand mixer fitted with a whisk attachment.
For a Stand Mixer With a Tilt-Head Design: Fill a large pot with a few inches of water. Place over high heat until bubbling-hot. In a large heatproof glass or ceramic bowl, combine egg yolks, sugar, Cardamaro or other liquid ingredient, and salt. Set bowl over the steaming water, then cook, stirring and scraping constantly with a flexible spatula, until egg yolk syrup register 155°F (68°C); this should take no longer than 8 minutes; if the process seems to be moving slowly, simply turn up the heat. Scrape mixture into stand mixer bowl and fit stand mixer with a whisk attachment.
Whip the egg yolk mixture at high speed until fluffy, stiff, and beginning to ball up around the whisk, about 8 minutes. With mixer still running, add butter a few tablespoons at a time, waiting only a second or two between additions. In the end, the buttercream should be thick, creamy, and soft but not runny, around 72°F (22°C). When the consistency has been properly adjusted (see troubleshooting guide below), begin whipping in the pistachio paste a few tablespoons at a time, to achieve the desired intensity of flavor. Additionally, the buttercream can be seasoned with additional salt or other extracts to taste.
Use buttercream right away or transfer to a large zipper-lock bag, press out the air, and seal. Buttercream can be refrigerated for up to 2 weeks and frozen for up to several months. (The main issue with longer storage in the freezer is odor absorption, not spoilage.) Rewarm to 72°F and re-whip before using.
Troubleshooting: If warmer than 74°F (23°C), the buttercream will be soft and loose; pop it in the fridge for 15 minutes and re-whip to help it thicken and cool. If colder than 68°F (20°C), the buttercream will be firm and dense, making it difficult to spread over cakes and slow to melt on the tongue, creating a greasy mouthfeel. To warm, briefly set over a pan of steaming water, just until you see the edges melting slightly, then re-whip to help it soften and warm. French buttercream can be fixed according to the same rules for Swiss buttercream. For more information, see the troubleshooting guide and video here.
Special Equipment
Large pot, flexible spatula, digital thermometer, stand mixer
Notes
Though technically optional, using quick-toasted sugar will dramatically tame the sweetness of this buttercream, while also adding subtle depth of flavor. It's a lovely touch for basic vanilla, but not nearly as vital when stronger flavors, like chocolate or spices, come into play.
Make-Ahead and Storage
Buttercream can be refrigerated for up to 2 weeks and frozen for up to several months. Rewarm to 72°F and re-whip before using.
This Recipe Appears In
- Silky French Buttercream Without All the Fuss
- A No-Fuss Chocolate Yule Log That’s Easy to Roll
| Nutrition Facts (per serving) | |
|---|---|
| 142 | Calories |
| 13g | Fat |
| 6g | Carbs |
| 2g | Protein |
Show Full Nutrition Label
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| Nutrition Facts | |
|---|---|
| Servings: 48 | |
| Amount per serving | |
| Calories | 142 |
| % Daily Value* | |
| Total Fat 13g | 16% |
| Saturated Fat 6g | 29% |
| Cholesterol 56mg | 19% |
| Sodium 56mg | 2% |
| Total Carbohydrate 6g | 2% |
| Dietary Fiber 1g | 3% |
| Total Sugars 4g | |
| Protein 2g | |
| Vitamin C 0mg | 1% |
| Calcium 15mg | 1% |
| Iron 0mg | 2% |
| Potassium 89mg | 2% |
| *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. | |
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)
