Forget everything you thought you knew about buttercream frosting! This Italian meringue buttercream recipe is a revelation, creating a light, airy, and incredibly flavorful frosting that's far superior to its American counterpart. Its silky smooth texture and intense sweetness, balanced perfectly with a hint of tang, will elevate any cake or cupcake from ordinary to extraordinary. Unlike other buttercreams, this method uses a cooked meringue base, resulting in a remarkably stable frosting that holds its shape beautifully, even in warm temperatures.
The secret lies in the precise heating and whipping of the egg whites and sugar, creating a glossy, stiff-peak meringue that’s then gently incorporated with luscious butter. Ready to experience buttercream bliss? Let’s dive into the step-by-step process of making this gravity-defying frosting, guaranteed to impress even the most discerning dessert lovers.
Tools Needed
- Saucepan
- Mixer
- Thermometer (optional)
- Piping bag (optional)
Ingredients
- Butter: 250g (1 cup + 2 tbsp)
- Sugar: 200g (1 cup)
- Water: 70ml (1/4 cup + 1/2 tsp)
- Egg Whites: 100g (3 large egg whites)
- Vanilla Sugar: 8g (2 tsp)
- Lemon Flavored Fruit Salt or Lemon Juice: 1/2 tsp
Step-by-Step Instructions
Step 1. Prepare the Butter and Egg Whites
- Soften 250g of butter at room temperature. Beat for a few minutes and set aside.
- Meanwhile, in a mixer bowl, beat 100g egg whites with vanilla sugar at high speed.


Step 2. Make the Italian Meringue
- In a saucepan, combine 200g sugar and 70ml water. Boil over medium-high heat until it reaches 118°C (244°F).
- Once the syrup reaches 118°C (244°F), add 1/2 tsp lemon flavored fruit salt (or lemon juice to egg whites).
- Pour the hot syrup into the egg whites slowly while mixing continuously at high speed until the bowl is warm.



Step 3. Combine Meringue and Butter
- Add the softened butter to the meringue and beat until fully combined.

Read more: Castagnaccio Recipe: Authentic Tuscan Gluten-Free Cake
Tips
- Use a thermometer for accurate temperature control of the syrup.
- If you don't have a thermometer, check for a fine thread consistency in the syrup.
- Don't overcook the syrup; it should be transparent and bubbling slowly, not caramel.
- This buttercream can be flavored with various extracts or ingredients.
- Italian meringue buttercream can be frozen for up to a month.
Nutrition
- N/A
FAQs
1. Why is this called Italian meringue buttercream?
It's called 'Italian' because the meringue base is made by slowly pouring hot sugar syrup onto whipped egg whites, a technique used in Italian meringue.
2. Can I use a stand mixer or hand mixer?
Absolutely! A stand mixer is ideal for ease and efficiency, but a hand mixer will work, just be prepared for a bit more arm workout.
3. How do I store leftover Italian meringue buttercream?
Store it in an airtight container in the refrigerator for up to 5 days. Bring it back to room temperature before using, as it will be quite stiff when cold.
With its silky texture and delightful flavor, this Italian meringue buttercream is a game-changer for any baker. Now you can confidently create stunning, perfectly stable cakes and desserts that will impress your friends and family. So go ahead, give this recipe a try and experience the magic of a truly exceptional buttercream!