01 -
Sift cake flour, baking powder, baking soda, and salt together in a large bowl until fully combined.
02 -
In the bowl of a stand mixer fitted with the paddle attachment, combine granulated sugar, vanilla paste or extract, shortening, and melted butter. Mix on medium speed for approximately 3 minutes until creamy, scraping down the sides as necessary.
03 -
With the mixer on low, add egg yolks one at a time, ensuring each is fully incorporated. Scrape down the bowl as needed. Add room temperature buttermilk and continue to mix until homogeneous.
04 -
Add the sifted dry ingredients to the wet mixture all at once with the mixer on low. Mix until just combined, then use a rubber spatula to fold in any residual flour. Dough will be very sticky, between a cookie dough and cake batter texture.
05 -
Transfer dough to a clean bowl. Cover and refrigerate for 30 to 60 minutes until chilled and slightly firm.
06 -
Heavily flour your work surface and hands. Place chilled dough onto floured surface and roll it gently in the flour to coat. Pat into a rectangle approximately 1.25 cm thick and 9 cm wide. Using a floured bench scraper, cut the dough into bars measuring about 9 x 4 x 1.25 cm. Lightly indent the center of each bar with the scraper for authenticity.
07 -
Fill a large, heavy pot with 900 g vegetable shortening. Melt and heat to 175°C, using a candy thermometer to monitor temperature. If necessary, add more shortening to achieve a 5 cm oil depth.
08 -
Line a cooling rack with a quadruple layer of paper towels. When oil is at temperature, use a floured thin metal spatula to transfer a bar into the oil bottom-side down. Fry for 1 to 2 minutes per side, turning carefully with a spatula or chopsticks. Fry in batches as necessary. Transfer each bar to the prepared rack to drain.
09 -
Allow fried bars to come to room temperature on the cooling rack before proceeding.
10 -
Whisk together confectioners' sugar, vanilla bean paste or extract, and warm water until the glaze is shiny and smooth.
11 -
Dip each cooled bar, top side down, into the glaze. Return bars to the rack and allow glaze to set for 4 to 5 minutes before serving.