Indulge in the Divine: Rose Levy Beranbaum’s Chocolate Peanut Butter Mousse Tart

Prepare to be captivated by a dessert that truly transcends the ordinary: Rose Levy Beranbaum’s legendary Chocolate Peanut Butter Mousse Tart. This culinary masterpiece brings together the universally adored pairing of chocolate and peanut butter in a sophisticated yet utterly comforting form. A foundation of crisp, delicate peanut butter cookie crust cradles a cloud-like peanut butter mousse, all crowned with a glistening, rich chocolate ganache. It’s more than just a tart; it’s a showstopper, a conversation starter, and a sweet symphony that will have everyone begging for a second slice.

A Timeless Favorite, Revisited: The Enduring Appeal of This Tart

This exquisite chocolate-peanut butter tart holds a special place in my culinary history. I first discovered this gem shortly after Rose Levy Beranbaum’s seminal book was released, even before the inception of Leite’s Culinaria. For years, it was an undisputed staple at our entertaining table, a testament to its undeniable charm and the sheer delight it brought to guests. My husband, affectionately known as The One, possesses an unwavering devotion to the combination of chocolate and peanut butter. His persistent requests for this tart were legendary, often met with my feigned disinterest – a playful tactic to prolong his anticipation before triumphantly presenting this magnificent creation at dinner.

However, as years turned into a decade, and countless other delightful baking endeavors beckoned, this beloved tart recipe, much to my chagrin, gradually drifted out of our regular rotation. It wasn’t until a thoughtful suggestion from Renee, to honor National Peanut Butter Day on January 24th, that this classic found its rightful return to the spotlight. “I have the perfect recipe to celebrate with,” I declared, instantly recalling Rose’s masterpiece. Re-engaging with the recipe for the accompanying photographs felt like a reunion with an old friend. Rose’s meticulously detailed instructions guided me effortlessly through each step, making the entire process seamless and enjoyable. This experience served as a powerful reminder of the profound joy and satisfaction derived from following an elegantly crafted and perfectly clear recipe.

The Science of Sweetness: Why Accurate Measurements are Paramount in Baking

In the intricate world of baking, precision isn’t merely a suggestion; it’s an absolute necessity. Unlike cooking, where a pinch of this or a dash of that often yields delightful results, baking operates on a more scientific plane. Ingredients react with each other in specific ways, and even minute deviations can significantly impact the final texture, structure, and flavor of a baked good. This is precisely why esteemed bakers like Rose Levy Beranbaum emphasize such strict measurements.

Consider, for instance, Rose Levy Beranbaum’s seemingly meticulous directive to use “half an egg” in her peanut butter crust recipe. One might wonder, how can such a small quantity make a tangible difference? The answer lies in the delicate balance of ingredients. An egg provides not only moisture but also acts as a binder, a leavening agent, and contributes to richness and color. Too much or too little can alter the crumb of the crust, making it either too dry and crumbly or too dense and heavy. Rose’s insistence on such exact proportions is a hallmark of her genius and a key factor in what makes her recipes consistently flawless and her cookbooks stand out. She understands that baking is chemistry, and for every chemical reaction to unfold perfectly, the proportions must be just right.

Embracing this scientific approach to baking ensures that your efforts are rewarded with consistent, professional-quality results every time. It’s about creating a harmonious balance that allows each component of the tart — from the tender crust to the airy mousse and the silky ganache — to shine in perfect unison. The good news for ambitious bakers? That perfectly calibrated peanut butter crust recipe can easily be doubled. You can prepare an extra crust and freeze it for later, saving precious time for your next baking adventure. You’re welcome!

Chocolate-Peanut Butter Mousse Tart

5 / 12 votes

This elegant tart combines a buttery cookie crust, a luscious peanut butter mousse, and a decadent chocolate ganache for an unforgettable dessert experience. A truly classic recipe from baking legend Rose Levy Beranbaum.

David Leite

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Course:
Dessert

Cuisine:
American

Servings:

10
servings

Calories:

312
kcal

Prep Time:

35
minutes

Cook Time:

10
minutes

Total Time:

2
hours
50
minutes

Ingredients

For the Peanut Butter Mousse

• 7
  tablespoons
  cream cheese, softened
• 1/2
  cup
  
  peanut butter
  , creamy and unsweetened recommended
• 1/4
  cup
  granulated sugar
• 1
  teaspoon
  
  vanilla extract
  
• 3/4
  cup
  heavy cream, softly whipped to medium peaks

For the Milk Chocolate Ganache

• 3
  ounces
  milk chocolate, high quality, finely chopped
• 2
  ounces
  bittersweet chocolate, high quality (60-70% cacao), finely chopped
• 1/3
  cup
  heavy cream
• 1/8
  teaspoon
  
  vanilla extract
  
• 
  Sweet Peanut Butter Cookie Tart Crust
  , 9-inch, pre-baked and completely cooled

Instructions

Crafting the Peanut Butter Mousse

1. In the bowl of a stand mixer, ideally fitted with the whisk attachment, combine the softened cream cheese, creamy peanut butter, and granulated sugar. Beat on medium speed until the mixture is uniform in color, smooth, and well-combined, ensuring no streaks of cream cheese remain. Reduce the mixer speed to low and carefully incorporate the vanilla extract, beating just until blended. Gently fold in about 1/4 cup of the softly whipped heavy cream into the peanut butter mixture until it is just incorporated. This lightens the base. Using a large rubber spatula, carefully fold in the remaining whipped cream, mixing with a light hand until the mousse is well blended but still wonderfully airy and light. Avoid overmixing, as this can deflate the mousse.
2. Carefully scrape the finished peanut butter mousse into your pre-baked and cooled sweet peanut butter cookie tart crust. Use the back of a spoon or a small offset spatula to gently smooth the surface, ensuring it is level across the entire tart. For best results, ensure your tart dough was rolled to the exact specified thickness; this will result in the perfect amount of filling and ganache. If your crust is slightly thicker, you might have a small amount of leftover filling. Place the tart in the refrigerator to chill while you prepare the rich chocolate ganache.

Preparing the Decadent Ganache Topping

1. Break both the milk and bittersweet chocolates into several smaller pieces and place them into the bowl of a food processor fitted with the metal blade. Process the chocolate until it is very finely ground. This step is crucial for achieving a smooth, lump-free ganache as it allows the hot cream to melt the chocolate quickly and evenly.
2. In a small saucepan over medium heat or in a heatproof glass measuring cup in the microwave, bring the heavy cream just to a boil. With the food processor’s motor running continuously, carefully pour the hot cream through the feed tube into the finely ground chocolate mixture. Continue to process until the mixture is perfectly smooth and glossy, usually about 15 seconds. You may need to stop once or twice to scrape down the sides of the bowl to ensure all chocolate is incorporated. Finally, add the vanilla extract and pulse a few times to fully incorporate it. Transfer the warm ganache to a bowl and let it cool to room temperature, stirring occasionally, until it reaches a spreadable consistency – not too warm to melt the mousse, but still fluid enough to spread.

Assembling and Serving Your Masterpiece Tart

1. With your chilled tart and room-temperature ganache ready, it’s time for the final assembly. Pour the cooled ganache over the top of the peanut butter mousse in a careful, circular motion, starting from the center and working outwards. Be mindful not to pour too heavily in any one spot, which could create a depression in the delicate mousse. Using a small metal spatula or the back of a spoon, gently begin spreading the ganache towards the edges of the pastry. Once it reaches the crust, spread it evenly to cover the entire surface of the tart. For an elegant finish, you can create a beautiful spiral pattern by lightly pressing the spatula against the surface and slowly drawing it from the outer edge of the tart inward to the center. Refrigerate the assembled tart for at least 2 hours to allow the ganache to fully set. The tart can be prepared up to 5 days in advance and stored in the refrigerator, or wrapped securely and frozen for up to 3 months for future indulgence.
2. For optimal flavor and texture, remove the chocolate peanut butter tart from the refrigerator at least 15 minutes before you plan to serve it. This allows the mousse to soften slightly and the flavors to fully develop. To unmold the tart, if using a tart pan with a removable bottom, gently push up from the base. For clean, elegant slices, use a sharp, thin-bladed knife, dipping it into hot water and wiping it clean after each cut. This ensures a pristine presentation. This versatile tart is delightful whether served lightly chilled or at room temperature, making it perfect for any occasion. Originally published January 23, 2011.

Adapted From

The Pie and Pastry Bible

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Nutrition

Serving:
1
portion


Calories:
312
kcal


Carbohydrates:
25
g


Protein:
4
g


Fat:
23
g


Saturated Fat:
11
g


Monounsaturated Fat:
8
g


Trans Fat:
0.004
g


Cholesterol:
29
mg


Sodium:
88
mg


Fiber:
2
g


Sugar:
21
g

Nutrition information is automatically calculated and should only be used as an approximation.

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Expert Tips for a Flawless Chocolate Peanut Butter Tart

Achieving perfection with this Chocolate Peanut Butter Mousse Tart is easier than you think, especially when you keep a few expert tips in mind:

• Temperature Matters: Ensure your cream cheese is properly softened for the mousse. Cold cream cheese will result in a lumpy mousse, no matter how much you beat it. Similarly, the ganache should be at room temperature, but still fluid, before pouring over the mousse to prevent melting the delicate filling.
• Whip with Care: When whipping the heavy cream for the mousse, aim for medium peaks. Overwhipped cream will yield a dense, grainy mousse, while underwhipped cream won’t provide the necessary structure and airiness. Fold it gently into the peanut butter mixture to maintain that light texture.
• Chocolate Quality: The ganache is only as good as the chocolate you use. Invest in high-quality milk and bittersweet chocolates (e.g., Ghirardelli, Valrhona, Callebaut) for the best flavor and a smooth, glossy finish. Finely chopping the chocolate ensures it melts evenly and quickly.
• Patience with Ganache: Don’t rush the cooling process for the ganache. It needs to reach a pourable yet slightly thickened consistency. If it’s too warm, it will melt into the mousse. If it’s too cool, it will be too stiff to spread smoothly. About 20-30 minutes at room temperature, with occasional stirring, is usually ideal.
• Crust Prep is Key: A perfectly baked and cooled crust is essential. Make sure it’s completely cooled before adding the mousse. For a beautifully crisp crust, follow Rose’s original Sweet Peanut Butter Cookie Tart Crust recipe meticulously.
• Clean Slices: The trick to cutting neat slices of tart lies in a hot, clean knife. Dip your sharp, thin-bladed knife in hot water and wipe it dry before each cut. This prevents sticking and leaves you with picture-perfect portions.

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