november | december 2019 50
Makes 1 bûche de Noël
Our bûche de Noël is a proper holiday
centerpiece. With a stiff buttercream fi lling and
moist syrup-soaked genoise, it can be stored in
the refrigerator a day before decorating.
¼ cup (21 grams) Dutch process cocoa
powder, plus more for dusting
¼ cup (60 grams) hot water
3 ounces (86 grams) 60% cacao bittersweet
chocolate, melted
5 large eggs (250 grams)
½ cup (100 grams) granulated sugar
2 large egg yolks (37 grams)
¾ cup (94 grams) cake fl our
½ teaspoon (1.5 grams) kosher salt
3 tablespoons (42 grams) unsalted butter,
melted
Cold Brew Simple Syrup (recipe follows)
Vanilla Bean Buttercream (recipe follows)
Chocolate Buttercream (recipe follows)
Meringue Mushrooms (recipe follows)
Garnish: ground pistachios, confectioners’ sugar
- Preheat oven to 350°F (180°C). Spray an
18x13-inch rimmed baking sheet with cooking
spray; line pan with parchment paper , and spray
pan again. - In a small bowl, whisk together cocoa and
¼ cup (60 grams) hot water until dissolved.
Add melted chocolate, and whisk until smooth. - In the bowl of a stand mixer, whisk together
eggs, granulated sugar, and egg yolks by hand.
Place bowl over a saucepan of simmering water.
Cook, whisking occasionally, until an instant-read
thermometer registers 110°F (43°F), about 5
minutes. Return bowl to stand mixer fi tted with
the whisk attachment, and beat at high speed until
thick and tripled in volume, about 5 minutes. - In a medium bowl, place about 2 cups egg
mixture. Fold in warm chocolate mixture. Set aside. - In a small bowl, sift together fl our and salt. Using
a large balloon whisk, gently fold fl our mixture into
remaining egg mixture in two additions just until
combined. Fold in chocolate mixture. Fold in warm
melted butter in two additions. Using an off set
spatula, quickly and gently spread batter evenly in
prepared pan. - Bake until cake starts to pull away from sides of
pan, 10 to 12 minutes. Loosen cake from sides of
pan, if needed. Invert onto a tea towel dusted with
cocoa. Gently peel off parchment. Starting with
one long side, roll up cake and towel together. Let
cool completely on a wire rack. - Carefully unroll cake, and brush with Cold
CLASSIC BÛCHE DE NOËL
Brew Simple Syrup. Spread with Vanilla Bean
Buttercream. Reroll cake without towel, and
place, seam side down, on a baking sheet,
using towel as a sling. Cover with towel, and
refrigerate until fi rm, about 1 hour.
- Trim ends of cake fl at. Trim 3 to 4 inches
diagonally from one end; set aside. Trim a
¾-inch slice from same end; set aside. Place
large cut piece at an angle off side of cake,
and attach with Chocolate Buttercream.
Place small cut piece, angle cut side up, on
top, and attach with Chocolate Buttercream.
Spread remaining Chocolate Buttercream on
outside of cake. Use an off set spatula to create
detailed bark ridges. Decorate with Meringue
Mushrooms; garnish with ground pistachios and
confectioners’ sugar, if desired.
COLD BREW SIMPLE SYRUP
Makes about ⅔ cup
¼ cup (50 grams) granulated sugar
¼ cup (60 grams) water
¼ cup (60 grams) cold brew coff ee
- In a small saucepan, bring sugar and ¼ cup
(60 grams) water to a boil over medium-high
heat, stirring occasionally, until sugar is dissolved.
Remove from heat, and stir in coff ee. Let cool
completely. Store in an airtight contatainer in
the refrigerator for up to 1 week.
VANILLA BEAN BUTTERCREAM
Makes about 3 cups
3 large egg whites (90 grams), room
temperature
1 cup (200 grams) granulated sugar
1 vanilla bean, split lengthwise, seeds
scraped and reserved
1¼ cups (284 grams) unsalted butter, cubed
and softened
¼ teaspoon kosher salt
- In the bowl of a stand mixer, whisk together
egg whites, sugar, and reserved vanilla bean
seeds by hand. Place bowl over a saucepan of
simmering water. Cook, whisking occasionally,
until an instant-read thermometer registers
155°F (68°C) to 160°F (71°C). - Carefully return bowl to stand mixer fi tted
with the whisk attachment, and beat on high
until bowl is cool to the touch, about 8 minutes.
Add butter, 2 tablespoons (28 grams) at a time,
beating until combined after each addition.
Beat in salt. Use immediately, or refrigerate
in an airtight container for up to 3 days. If
refrigerating, let stand at room temperature for
2 hours and rewhip until smooth before using.
CHOCOLATE BUTTERCREAM
Makes 2 cups
½ cup (113 grams) unsalted butter, softened
3 tablespoons (15 grams) Dutch process
cocoa powder
⅓ cup (80 grams) sour cream
2½ cups (300 grams) confectioners’ sugar
- In the bowl of a stand mixer fi tted with the
paddle attachment, beat butter at medium speed
until smooth and creamy, about 2 minutes. Add
cocoa, beating until combined. Beat in sour
cream until smooth. Gradually add confectioners’
sugar, beating until smooth and creamy. Use
immediately, or refrigerate in an airtight container
for up to 3 days. If refrigerating, let stand at room
temperature for 2 hours before using.
MERINGUE MUSHROOMS
Makes about 24 mushrooms
2 large egg whites (60 grams)
¼ teaspoon cream of tartar
⅛ teaspoon kosher salt
½ cup (100 grams) granulated sugar
¼ cup (40 grams) dark chocolate melting
wafers, melted according to package
directions and cooled slightly
Cocoa powder, for dusting
- Preheat oven to 275°F (140°C). Line a
rimmed baking sheet with parchment paper. - In the bowl of a stand mixer fi tted with the
whisk attachment, beat egg whites, cream of
tartar, and salt at low speed until foamy. With
mixer on high speed, add sugar in a slow, steady
stream. Beat until stiff peaks form. - Place meringue in a large piping bag
fi tted with a ½-inch round tip. Holding tip
perpendicular to parchment paper, pipe half of
meringue as mushroom tops, ¾ to 1¼ inches
across. (Use a wet fi nger to press down any
points.) With remaining meringue, pipe stems
as large kisses with ½-inch wide base. (It is OK
if the kisses don’t have smooth tips.) - Bake until meringues look dry and have started
to brown slightly, 30 to 40 minutes. Let cool
completely. - Using a wooden pick, poke a small hole in bottom
of each mushroom top. Dip or brush melted
chocolate on bottom of each mushroom top, and
insert pointed stem end. Let stand until chocolate
is set, about 5 minutes. Lightly dust with cocoa
before serving. Best served the same day.