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Pistachio Buttercream Frosting

The thing about this pistachio buttercream frosting is that it's a not-so-cleverly disguised French buttercream. It uses egg yolks, a sugar syrup, tons of--you guessed it--butter, and pistachio butter, also known as "paste." It makes an incredibly smooth, lickable, lappable, attackable frosting in about as long as it takes to make an American buttercream frosting.

Prep Time
20 mins
Cook Time
20 mins
Total Time
30 mins
Servings: 12 servings | 3 cups
Calories: 397 kcal
Course: Dessert
Cuisine: French

Ingredients

  • 6 large egg yolks at room temperature
  • 1/2 cup water
  • 1 cup granulated sugar
  • Generous pinch salt
  • 4 sticks (1 lb) unsalted butter softened to room temperature, cut into pieces
  • 1/3 cup unsalted pistachio paste

Instructions

    Cup of Yum
  1. In the bowl of a stand mixer fitted with the paddle attachment or in a large bowl using a hand mixer, beat the yolks until light in color, 3 to 5 minutes.
  2. In a small saucepan over high heat, combine the water, sugar, and salt, stir constantly to dissolve the sugar.
  3. Once the sugar mixture comes to a boil stop stirring. Continue to boil until the mixture registers 240°F (115°C) on a candy thermometer, 5 to 10 minutes.
  4. Turn the mixer on low, and carefully–carefully, I say!–slowly dribble in the sugar syrup, avoiding the spinning beater. Once the sugar syrup is incorporated, bump the speed up to medium-high and continue beating until the mixture is completely cool, about 5 minutes.☞ TESTER TIP: If the egg mixture is even the least bit warm, it'll melt the butter, and you'll be staring at a puddle--of frosting and your tears.
  5. Once the mixture is cool, add the butter, a knob at a time, beating until the buttercream is luscious and smooth, about 5 minutes.
  6. Spoon in the pistachio butter and whir to combine until silky smooth, about 1 minute.

Nutrition Information

Serving 0.25cup Calories 397kcal (20%) Carbohydrates 19g (6%) Protein 3g (6%) Fat 36g (55%) Saturated Fat 20g (100%) Monounsaturated Fat 9g Trans Fat 1g Cholesterol 173mg (58%) Sodium 65mg (3%) Fiber 1g (4%) Sugar 17g (34%)

Nutrition Facts

Serving: 12servings | 3 cups

Amount Per Serving

Calories 397

% Daily Value*

Serving 0.25cup
Calories 397kcal 20%
Carbohydrates 19g 6%
Protein 3g 6%
Fat 36g 55%
Saturated Fat 20g 100%
Monounsaturated Fat 9g 45%
Trans Fat 1g 50%
Cholesterol 173mg 58%
Sodium 65mg 3%
Fiber 1g 4%
Sugar 17g 34%

* Percent Daily Values are based on a 2,000 calorie diet.