INGREDIENTS:
DOUBLE CHOCOLATE ICE-CREAM:
- 4 large egg yolks - 135g (2/3 cup) sugar - 1 tsp vanilla bean paste - 1 tsp salt - 35g dutch cocoa - 360g (1 1/2 cups) whole milk - 360g (1 1/2 cups) heavy whipping cream - 55g good quality dark chocolate (65-70% cocoa solids) - 15g refined coconut oil
CHOCOLATE DOUGHNUTS:
- 240g water - 110g butter - 20g sugar - 5g salt - 5g vanilla bean paste - 165g all-purpose flour - 25g dutch process cocoa - 220g egg, lightly beaten, plus extra if required (see last point on notes)
Neutral oil for frying About 100g (1/2 cup) Sugar for dusting
DOUBLE CHOCOLATE ICE-CREAM:
In a medium bowl, combine the egg yolks, sugar, salt and vanilla bean paste. Whisk well until pale. Set aside.
In a large pot over medium heat, combine the whole milk, heavy cream and cocoa. Heat to just shy of a simmer.
Pour half of the milk mixture into the bowl with the egg yolks, whisking constantly. Whisk briskly until combined. This will temper the egg yolks and stop them from scrambling.
Pour the milk yolk mixture back into the pot, and return to a low heat. Whisk constantly, until the mixture begins to thicken enough to coat the back of a spoon, and registers at 170˚f / 75˚c on a thermometer.
Strain though a fine mesh strainer. Transfer to an airtight container, and allow to stand at room temperature for an hour or so, and then chill for at least two hours, or overnight.
To make the chocolate shards for the ice cream, microwave the chocolate in a heat proof bowl in 15 second increments, until smooth. Stir in the coconut oil, then spread onto a parchment paper lined sheet pan and freeze for 15 minutes, or until completely set. Break into pieces your desired size. Store in the freezer until ready to use (I like to do this step just before I churn the ice cream)
Place a loaf pan or the container you are planning to store the ice cream in into the freezer. Pour the chilled chocolate ice cream base into the bowl of your ice cream maker and churn according to manufacturer’s directions. Once the ice cream is churned, add the chocolate chunks and mix in the ice cream maker until combined.
Scrape the chocolate ice cream into the chilled loaf pan or container, and smooth down. Press a piece of wax paper or plastic wrap against the surface of the ice cream, and freeze until solid, at least 4 hours or overnight.
CHOCOLATE DOUGHNUTS:
Line two baking sheets with parchment paper. Draw circles, evenly spaced, about 2 3/4” (70mm) in diameter on each using a pen or pencil - these will be your guide for piping. Flip the paper over so you can trace the outline without tracing on the ink. You need approximately 20 circles.
Line a large piping bag with a french star tip - I used a wilton 1m tip.
Sift together the flour and cocoa in a small bowl and set aside. In a medium saucepan, combine the water, butter, sugar, salt, and vanilla bean paste. Place over medium heat, and stir until the butter has melted and the mixture has begun to boil. Remove from the heat, and add the flour and cocoa all at once, mixing quickly with a wooden spoon to combine. The mixture will form a thick paste.
Return to the heat, and, stirring constantly, cook the mixture for 2 minutes to help dry it out. Transfer to the bowl of a stand mixer fitted with the paddle attachment. Mix on medium speed for 1 minute to help cool down the mixture.
With the mixture running on low, slowly stream in the 220g egg. Mix on medium speed for 4 minutes, or until the egg is fully incorporated. Test the consistency of the batter by dipping in the beater and pulling up. If it forms a v which eventually breaks off, you are good to go. If it seems too stiff, slowly add another beaten egg and mix to incorporate.
Transfer the choux pastry to the prepared piping bag. Using your traced circles as a guide, and starting from the middle, pipe rounds of pastry onto the baking sheet, ending each with a little flick of your wrist. They should look like rosettes. Repeat with the second tray until you have used up all your pastry. Transfer the trays to the freezer and freeze for one hour.
About 20 minutes before the hour is up, fill a heavy bottomed saucepan or cast iron dutch oven with about 4 inches of oil. Heat over medium until it registers 350˚f (180˚c) on a candy thermometer. Place a cooling rack on a sheet pan, and place 1/2 cup sugar in a shallow bowl (for coating the cooked doughnuts).
Working in batches, frying two to three doughnuts at a time, peel them off the paper and carefully lower into the oil. Fry for approximately 7 minutes, turning every minute to ensure even cooking, until cooked. Remove from the oil and allow to drain on the wire rack. Drain for a minute or so, then toss in the sugar and return to the rack to cool completely. Repeat with the remaining doughnuts - leave them in the freezer until you fry them.
To assemble, sandwich two doughnuts with a scoop of ice cream. Serve immediately. Leftover Assembled sandwiches can be stored in the freezer in an airtight container until ready to eat, but are best eaten fresh.
(Source: https://www.cloudykitchen.com/blog/chocolate-choux-ice-cream-sandwiches-with-double-chocolate-ice-cream)
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