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Almond croissants have always been one of my absolute favorite pastries. If I walk into a café and see almond croissants behind the glass, I’m not even pretending to consider anything else. There’s just something about that soft, almond-rich center, the crisp edges, and the dusting of powdered sugar. It feels indulgent in the best way. During my time visiting Paris, I even took a croissant making class. It was a rewarding experience… even if the French baker was slightly annoyed with my very lopsided butter dough lamination technique. But if I’m being honest, I’m not quite at the point in my baking journey where I want to revisit the full croissant making process at home. So instead, this is my shortcut version of bakery style almond croissants. I use store bought or bakery day old plain butter croissants and transform them with a rich brown butter almond filling. The result are these easy brown butter almond croissants that taste like they came straight from a pastry case, without the hours of lamination.

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Why You’ll Love This Recipe

• Uses day-old croissants (honestly, they’re better for this)
• Brown butter adds a deep, nutty, almost caramelized flavor
• Simple ingredients, bakery-level results
• Ready in less than an hour!

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Ingredients to Make Brown Butter Almond Croissants

Almond Filling

• Unsalted butter
  The base of the filling. Browning it transforms the flavor into something deeper and nuttier.
• Milk powder (optional)
  Boosts the toasted flavor when browning butter. This is that “what is that flavor?” moment.
• Powdered sugar
  Sweetens and helps create a smooth, creamy texture. Also used in as the topping for that classic almond sweet flavor.
• Egg yolk
  Adds richness and helps the filling set while baking.
• Almond extract
  The signature flavor. A little goes a long way, be sure to accurately measure!
• Vanilla extract
  Rounds everything out and softens the almond intensity.
• Almond flour (superfine, blanched)
  The structure of the filling. Keeps it soft but not runny.
• Salt
  Balances the sweetness and enhances flavor.‍
• Simple Syrup: water + sugar + Almond Extract
  Lightly rehydrates the croissants so they bake up soft inside.‍
• Sliced almonds
  Adds texture and a light crunch to the croissants.

Step-by-Step Instructions to make Brown Butter Almond Croissants

1. Brown the Butter

In a small saucepan, melt the butter over medium heat, stirring constantly, until the butter turns deeply golden and smells nutty. Immediately pour into a heatproof mixing bowl scraping in all the brown bits. Add milk powder (if using) and stir till combined. Let the brown butter cool in the bowl until it's soft, spreadable and not liquid. Best to cool in the fridge for at least 30 minutes.

2. Make the Simple Syrup

While the brown butter is cooling. Heat water and sugar until dissolved either medium low on the stove or in the microwave for 30 second bursts until the sugar has dissolved. Then mix in the almond extract and set aside.

3. Make the Almond Filling

In a bowl to the cooled brown butter add the powdered sugar and mix with a mixer until smooth. It will look crumbly and if it's not smoothing out, use a spatula or the back of a spoon to smooth the butter and sugar. Add the egg yolk, almond and vanilla extracts till combined. Then mix in the almond flour and salt. The texture should be thick and spreadable, like frosting.

4. Assemble the Croissants

1. Preheat oven to 350°F (175°C)
2. Slice croissants in half horizontally
3. Lightly brush the inside with simple syrup
4. Spread  2 tbsp of the almond filling inside each croissant
5. Close the croissant and brush some more of the simple syrup and spread a thin layer of filling on top
6. Sprinkle with sliced almonds

5. Bake

Bake for 12–15 minutes, until: golden on top, filling is set and edges are slightly crisp.

6. Finish

Dust with powdered sugar once the croissants have slightly cooled for at least 15 minutes.

FAQ

Can I use fresh croissants?

You can, but day-old is better. They absorb the syrup and filling without getting soggy.

Will the filling melt out?

Not if your butter is cooled properly before mixing. The filling should be thick, not runny.

Can I make the filling ahead?

Yes! Store in the fridge and bring to room temp before using.

Can I skip browning the butter?

You can, but you’ll lose that deeper, bakery style nutty flavor.

How much almond extract should I use?

Stick to the listed amounts. Too much can taste artificial quickly.

Why are almond croissants called double baked?

Almond croissants are called double baked because they go through the oven twice.The first bake is the original croissant itself. Then, after it’s fully baked (and usually a day old), it’s sliced, filled with an almond cream (frangipane), topped with more filling and sliced almonds, and baked again. That second bake is what transforms it into an almond croissant.

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Storage

• Room temp: Best eaten the same day
• Fridge: Store up to 2 days, reheat in oven at 300°F for 5 minutes
• Freezer: Wrap tightly and freeze up to 1 month and reheat at 300°F for 8–10 minutes until warmed through.

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Other Almond Croissant Inspired Desserts to Try!

• Brown Butter Almond Croissant Cookies
• Brown Butter Almond Croissant Coffee Cake

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