Chocolate French Silk Brownies (Decadent Layered Mousse Brownies in 1 Hr 30 Min)
4.7 (62 reviews)
90 min
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Chocolate French silk brownies with fudgy brownie base, light silky chocolate mousse middle, whipped cream top, and chocolate shavings
Desserts

Chocolate French Silk Brownies (Decadent Layered Mousse Brownies in 1 Hr 30 Min)

4.7 (62 reviews)
· 90 min
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Published May 9, 2026
Category Desserts
By Sara

Introduction

Tutorial: how to make French silk brownies — brownie base + silky chocolate mousse + whipped cream. 1 hr 30 min layered dessert.

Ingredients List

  • Brownie: 1 cup butter melted + sugars + 4 eggs + vanilla + 3/4 cup cocoa + 1 cup flour + salt + 1 cup chips
  • Mousse: 1 cup butter softened + 1.25 cups sugar + 4 oz unsweetened chocolate + 4 yolks tempered + vanilla
  • Cream: 2 cups cold cream + 1/4 cup powdered sugar + vanilla
  • Chocolate shavings + cocoa

Timing

Cross-section of layered French silk brownies showing dense brownie, airy chocolate mousse, fluffy whipped cream layers

Brownies 50. Mousse 20. Cream 20. Total 90 min.

Step 1 — Brownie Base

350°F 9×13. 25-28 min. Cool.

Step 2 — Temper Yolks

Double boiler 5 min ribbon. Cool.

Step 3 — Silk Mousse

Cream butter+sugar 5 min. Chocolate. Yolks. 3 min more.

Step 4 — Layer + Chill 30 Min

Spread on cooled brownies.

Step 5 — Whip Cream

Stiff peaks.

Step 6 — Top + Chill 1 Hr

Cream + shavings + cocoa.

Nutritional Information

  • Calories 540 | Protein 5g | Fat 36g | Carbs 54g | Sugar 40g

Healthier Alternatives

Boxed mix. Greek yogurt. Sugar-free chocolate. Smaller squares.

Serving Suggestions

Espresso, port, cabernet. Anniversaries.

Common Mistakes to Avoid

  • No temper
  • Underwhipped butter
  • Warm brownie
  • Warm cream
  • Cut early

Storing Tips

5 days fridge. 2 mo freezer.

Conclusion

That’s how to make French silk brownies. Comment your topping, share a photo, subscribe.

FAQs

Temper why? Safety.

Pasteurized eggs? Skip temper.

Make ahead? Day 2.

GF? GF mix.

Vegan? Aquafaba.

Long whip? Silk texture.

Recipe Card: French Silk Brownies

Brownie: 50 min | Mousse: 20 min | Cream+Chill: 20 min | Total: 1 hr 30 min | Serves: 16 | Calories: 540/square

Ingredients

  • Brownie: 1 cup melted butter + brown sugar + white sugar + 4 eggs + vanilla + 3/4 cup cocoa + 1 cup flour + salt + 1 cup chocolate chips
  • Mousse: 1 cup softened butter + 1.25 cups sugar + 4 oz unsweetened melted chocolate + 4 tempered yolks + vanilla
  • Whipped cream: 2 cups cold cream + 1/4 cup powdered sugar + vanilla
  • Chocolate shavings + cocoa dust

Instructions

  1. Bake brownie base at 350°F for 25-28 min in 9×13; cool completely.
  2. Temper yolks over double boiler 5 min to ribbon stage; cool.
  3. Cream butter and sugar 5 min; add chocolate, then tempered yolks, then vanilla.
  4. Spread mousse on cooled brownies; chill 30 min.
  5. Whip cream to stiff peaks with sugar and vanilla.
  6. Top with whipped cream, shavings, cocoa; chill 1+ hr before slicing.

Nutrition (per square)

Calories 540 | Protein 5g | Fat 36g | Carbs 54g | Sugar 40g

Chocolate French silk brownies with fudgy brownie base, light silky chocolate mousse middle, whipped cream top, and chocolate shavings
Chocolate French Silk Brownies (Decadent Layered Mousse Brownies in 1 Hr 30 Min)

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