5 from 7 votes
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French Silk Brownies Recipe (Chocolate Mousse Pie)

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These wonderful chocolate French Silk Brownies are the ultimate dessert for chocolate lovers, with a fudgy brownie base topped with creamy, silky smooth chocolate pie mousse filling, whipped cream, and shaved chocolate! The perfect dessert for when you’re craving the best of both worlds — pie and fudgy brownies in one mouthful!

A slice of French silk brownie sitting on a plate.

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Is it brownie day, or is it pie day? Who cares! It’s BOTH DAYS because these wonderful French Silk Pie Brownies give you the best of both worlds. If you’re in the mood for a decadent dessert, then this recipe is just what you need! French silk pie brownies are my favorite decadent treat to make when I want something sweet and satisfying.

The soft, fudgy brownie base is topped with creamy, silky chocolate pie mousse filling and whipped cream to replicate the traditional French silk pie flavor. And if that weren’t enough, we studded it with shaved chocolate for an extra decadent touch. You’re Welcome!

Want more delicious chocolate recipes to try out?  Let’s face it, once you start with chocolate desserts, you want more! Start with these delicious chocolate chip whoopie pies with cherries then if you want something for a warmer day, go for this banana and chocolate icebox cake.

If you love recipes like this, you may also enjoy this Dr. Pepper cupcake recipe.

Why You’ll Love This Recipe…

  • Do you prefer pie or brownie for dessert? You don’t have to pick anymore. This dessert is a two-for-one deal! The bottom of the dessert is a chocolate fudge brownie, and the top is a chocolate mousse silk pie filling. In one mouthful, you get to enjoy two chocolatey decadences!
  • The recipe is very simple and easy to do! You don’t have to make your own brownie mix. Just buy a boxed fudge brownie mix and pop it into the oven; you’ll have your base. To make the chocolate mousse silk topping, combine all of the ingredients in a bowl and microwave for 30 seconds. For more step-by-step details, read the instructions in this recipe.
  • The holidays are approaching! Halloween, Thanksgiving, and Christmas are just around the corner. You need a quick and delicious dessert to present to relatives and friends who are visiting for the holidays. Serve them with French Chocolate Mousse Silk Pie Brownies, and they’ll remember you for it. You can also give these desserts as take-home gifts, which is a nice and sweet gesture!

What’s in This French Silk Brownie Recipe?

Ingredients for chocolate mousse pie brownies sitting on a wooden table.
  • Fudge Brownie Mix: Our dessert’s foundation ensures a rich and fudgy base, simplifying the baking process while guaranteeing delicious results. It’s the perfect starting point for those who want decadence without the hassle of making brownies from scratch.
  • Baking Chocolate or Milk Chocolate Chips: Whether you choose the classic depth of baking chocolate or the creamy sweetness of milk chocolate chips, both options infuse our French Silk Brownies with intense chocolatey goodness, creating a lush, irresistible flavor.
  • Butter: The unsung hero of rich desserts, butter adds a velvety texture to both the brownie base and the mousse, ensuring that each bite is as luxurious as the last. Its subtle presence enhances the chocolate’s depth, tying all the flavors together seamlessly.
  • Cream Cheese: This adds a slightly tangy contrast to the sweetness of the chocolate, contributing to the silky smoothness of the mousse layer. Cream cheese ensures the texture is rich without being overly heavy, offering a perfect balance against the dense brownie base.
  • Confectioner’s Sugar: A fine, powdery sweetener that dissolves effortlessly, confectioner’s sugar ensures the mousse topping is smooth without any grittiness, providing a light sweetness that complements the intense chocolate flavors.
  • Tub Whipped Topping (cool Whip): This light and airy component is the final flourish, adding a cloud-like texture that contrasts beautifully with the dense richness of the brownie and mousse layers. It’s the perfect finishing touch, making each forkful delightfully balanced.

The complete list of ingredients, quantities, and instructions can be found in the printable recipe card below.

Substitutions and Variations

  • If you don’t have chocolate shavings on hand, use small chocolate chips instead.
  • You can make your own homemade brownies instead of using a boxed mix for the Silk Pie Brownie. 
  • You can also use your own homemade whipped cream.
  • You can also add crushed macadamia or almond nuts to the whipped cream. This adds crunch and texture to your Silk Pie Brownies.

How To Make Easy Chocolate Mousse Brownies (step-by-step directions)

Collage of creating French silk brownie.
  1. Prepare the brownie mix in a large bowl following the instructions on the box. Bake, then allow to cool completely. (Photos 1 & 2)
Collage of assembling French silk brownie.
  1. In a large mixing bowl, beat cream cheese and powdered sugar with an electric mixer until well combined.
  2. Gently fold whipped topping into the cream cheese mixture.
  3. In a microwave-safe bowl, combine chocolate and butter (cut the butter into small cubes for even melting). Microwave on high for 30 seconds. Stir, then continue microwaving in 15-second increments until the chocolate and butter are fully melted and smooth.
  4. Mix the melted chocolate blend into the cream cheese mix until thoroughly combined. (Photo 3)
  5. Once cooled, evenly spread the French silk topping over the top of the brownies. Refrigerate until set, about 2-4 hours.
  6. Cut the set brownies into squares. Optionally, top each square with more whipped cream and chocolate shavings before serving. (Photo 4)
Chocolate Mousse with whipped cream and shaved chocolate on top.

Recipe Tips

  • To ensure an even layer of French silk topping, use a spatula or the back of a spoon to smooth it over the brownie base.
  • For a more intense chocolate flavor, opt for dark chocolate chips instead of milk chocolate chips in the mousse.
  • If the mousse mixture appears too thick after mixing, a small amount of cream can be folded in to achieve the desired silky texture.
  • When spreading the chocolate mousse over the brownie base, be gentle to prevent the brownie layer from breaking or mixing into the mousse.
  • For a professional touch, use a piping bag and star tip to add whipped cream on top of each brownie square before serving.
  • For those who prefer a crunch, consider adding a layer of finely chopped nuts between the brownie base and the chocolate mousse layer.

Storing Tips 

Any leftover brownies should be cooled to room temperature, then wrapped tightly in plastic wrap or stored in an airtight container. Refrigerate for a maximum of five to seven days after preparing the dish. This dessert can be stored in the freezer for up to three months. It needs to be defrosted before being served.

Chocolate mousse with a fork bite taken out on a white plate.

Serving Suggestions

French Silk Pie Brownies pair wonderfully with a variety of beverages and snacks, enhancing the overall dessert experience. For a classic touch, serve alongside a cup of hot espresso or a glass of cold milk to balance the richness of the chocolate. 

For those looking to add a bit of elegance, a favorite white or red wine like Tinto de Verano or sparkling champagne can elevate the dessert to a new level. 

During warmer seasons, a scoop of vanilla ice cream or something like a fruit roll up ice cream sandwich on the side makes for a delightful contrast in textures and temperatures. 

Recipe FAQs

Can I make my own brownie mix?

Yes, you can make your own brownie mix if you have plenty of time. However, if you are in a hurry, you may just opt to buy a box mix instead.

What other toppings or sprinkles can I use?

Adding a little espresso powder to the whipped cream is optional, but it tastes great. Although the dessert won’t taste like coffee, the espresso powder does help bring out the chocolate’s flavor even more so.

How long should the French Silk Brownies be refrigerated before serving?

Refrigerate for at least 4 hours and up to 24 hours before serving. You’ll have a bit of a mess in your pan if you cut the brownies too soon. The filling only settles and holds its shape well after refrigeration.

More Dessert Recipes You May Enjoy

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White plate of Chocolate Mousse with whipped cream on top.
5 from 7 votes

French Silk Brownies Recipe (Chocolate Mousse Pie)


Author: Kim Schob
Course: Desserts
Cuisine: American
Prep Time: 15 minutes
Cook Time: 35 minutes
Chill Time 4 hours
Total Time: 4 hours 50 minutes
Yields 8 Servings
Fudgy chocolate brownies topped with silky smooth french chocolate mouse to create the ulitmiate French Silk Brownie Chocolate Mousse Pie!

Equipment

Ingredients 

  • 1 box fudge brownie mix
  • 4 oz (113 ⅖ g) of baking chocolate or milk chocolate chips
  • 4 Tbsp butter
  • 8 oz (226 ⅘ g) cream cheese room temperature
  • 2 cups (240 g) confectioner’s sugar
  • 16 oz (453 ⅗ g) tub whipped topping thawed

Instructions

  • Prepare the brownie mix in a large bowl following the instructions on the box. Bake, then allow to cool completely.
  • In a large mixing bowl, beat together cream cheese and powdered sugar with an electric mixer until well combined.
  • Gently fold whipped topping into the cream cheese mixture.
  • In a microwave-safe bowl, combine chocolate and butter (cut the butter into small cubes for even melting). Microwave on high for 30 seconds. Stir, then continue microwaving in 15-second increments until the chocolate and butter are fully melted and smooth.
  • Mix the melted chocolate blend into the cream cheese mix until thoroughly combined.
  • Once cooled, evenly spread the French silk topping over the top of the brownies. Refrigerate until set, about 2-4 hours.
  • Cut the set brownies into squares. Optionally, top each square with more whipped cream and chocolate shavings before serving.

Notes

  • To ensure an even layer of French silk topping, use a spatula or the back of a spoon to smooth it over the brownie base.
  • For a more intense chocolate flavor, opt for dark chocolate chips instead of milk chocolate chips in the mousse.
  • If the mousse mixture appears too thick after mixing, a small amount of cream can be folded in to achieve the desired silky texture.
  • When spreading the chocolate mousse over the brownie base, be gentle to prevent the brownie layer from breaking or mixing into the mousse.
  • For a professional touch, use a piping bag and star tip to add whipped cream on top of each brownie square before serving.
  • For those who prefer a crunch, consider adding a layer of finely chopped nuts between the brownie base and the chocolate mousse layer.

Nutrition Information

Calories: 581kcal (29%) Carbohydrates: 100g (33%) Protein: 9g (18%) Fat: 33g (51%) Saturated Fat: 18g (113%) Polyunsaturated Fat: 1g Monounsaturated Fat: 9g Cholesterol: 33mg (11%) Sodium: 329mg (14%) Potassium: 224mg (6%) Fiber: 2g (8%) Sugar: 46g (51%) Vitamin A: 435IU (9%) Calcium: 91mg (9%) Iron: 4mg (22%)

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