To make these donuts, you need:-Bread flour-Large egg-Warm milk-Unsalted butter-White granulated sugar-Salt-Instant yeastFor the chocolate custard:-Chopped chocolate-Whole milk-Vanilla extract-Cocoa powder-Egg yolks-Large egg
Here's What You Need
For the chocolate custard:
-Chopped chocolate
-Whole milk
-Vanilla extract
-Cocoa powder
-Egg yolks
-Large egg-Cornstarch-Salt-White granulated sugar-Unsalted butter
STEP 1
To begin, whisk warm milk with the egg and add the yeast. Stir until dissolved. Then, add the salt, flour, and sugar to the mixture. Use a spatula to stir until combined and then knead with your hands.
STEP 2
Now, add butter and work it in with your hands. Then, move the dough ball to an oiled bowl and cover with plastic wrap. Set in a warm space and let it rise for 3 hours. After, put the dough on a flat floured surface and knead for 2 to 3 minutes.
STEP 3
To make the chocolate custard, mix the cocoa powder, salt, cornstarch, egg yolks, egg, and sugar in a large bowl using an electric or hand mixer. Beat until it is smooth and set aside.
STEP 4
Then, pour the vanilla and milk into a medium saucepan and heat them over medium-high heat. Remove it from the heat when it starts to boil. While WHISKING CONSTANTLY, add the hot milk to the egg mix.
STEP 5
Pour it back into the pan and continue whisking over medium heat for about 2 to 5 minutes, until it is thick. Lower the heat and add the chopped chocolate, whisking until melted.
STEP 6
Then, remove it from the heat, stir in the butter, and pour it into a bowl. Cover with plastic wrap, making sure the wrap is laying right on top of the custard to prevent skin. Let it chill for 2 to 4 hours. .
STEP 7
Meanwhile, punch down the dough and move it to a floured surface, folding it several times before cutting it into 8 pieces. Shape into balls and put them on a parchment paper-covered pan. Let them rise for 30 to 40 minutes.
STEP 8
Next, fill a deep pan with about 2 inches of oil and heat it on medium-low until it is 350 degrees F. Pour a few donuts at a time, using 1/3 to 1/4 cup of batter. Fry for 2 minutes on each side until they are golden brown.
STEP 9
Once they are cool, poke a hole in the side of one donut with a chopstick and roll them in sugar on each side. Finally, pour the custard into a piping bag and fill the hole until there is just a dot on the surface.