A croquembouche is a French celebration centerpiece built from a tower of choux pastry puffs filled with cream and held together with poured caramel. The name means "crunches in the mouth," a nod to the thin caramel shell that coats each puff. It takes several hours across multiple steps, but the result is a dramatic, impressive centerpiece for weddings or large gatherings.
In a large saucepan, combine 1 cup of water, 8 tbsp of unsalted butter, 1/2 tsp of salt, and 1 tbsp of sugar. Bring to a boil over medium heat, stirring occasionally until the butter is melted.
Remove from heat and add 1 1/4 cups of sifted all-purpose flour all at once. Stir vigorously with a wooden spoon until the mixture forms a ball and pulls away from the sides of the pan.
Return to medium heat and cook for another 2-3 minutes, stirring constantly, to dry out the dough. It should leave a film on the bottom of the pan.
Transfer the dough to a mixing bowl. Beat in eggs one at a time with an electric mixer on medium speed until smooth and glossy.
Pipe and Bake the Profiteroles:
Preheat the oven to 425°F (220°C). Line a baking sheet with parchment paper.
Using a piping bag with a round tip, pipe small mounds of dough onto the prepared baking sheet, spaced about 2 inches apart. Smooth any peaks with a damp fingertip.
Bake for 10 minutes, then reduce the oven temperature to 375°F (190°C) and bake for an additional 20-25 minutes or until golden brown. Allow to cool completely.
Prepare the Cream Filling:
In a chilled mixing bowl, whip 1 cup of heavy cream with 2 tbsp of confectioners' sugar and 1 tsp of vanilla extract until stiff peaks form.
Transfer the cream to a piping bag fitted with a small round tip and fill the cooled profiteroles by inserting the tip into the base.
Make the Caramel:
In a medium saucepan, combine 2 cups of granulated sugar and 1/2 cup of water. Cook over medium heat, swirling gently without stirring, until the sugar dissolves and turns a deep amber color. Use a candy thermometer to ensure the caramel reaches 320°F (160°C).
Remove from heat and quickly dip the top of each filled profiterole into the caramel, using it to build a cone-shaped tower on a presentation board or serving plate.
Use a pastry brush to drizzle any remaining caramel over the assembled tower for an elegant finish.
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Notes
For a twist, infuse the cream filling with coffee or citrus, or opt for alternative fillings like mascarpone.
If the caramel hardens while working, gently warm it to loosen.