Chef John's Boston Cream Pie
Serves: 5
Jonathan Flatley
1 January 1970
Based on User reviews:
49
Spice
43
Sweetness
55
Sourness
38
mins
Prep time (avg)
5
Difficulty
Ingredients:
3
Eggs1.25 cups
Water1 cup
Vegetable Oil2 tbsps
Cornstarch6 tbsps
White Sugar1 cup
Heavy Whipping Cream1 cup
Whole Milk1 tsp
Butter1 pinch
Salt110 g
Dark Chocolate (chopped)Directions:
1
Preheat oven to 350 degrees F (175 degrees C)
2
Spray 2 (8-inch) cake pans with cooking spray
3
Stir yellow cake mix, 3 eggs, water, and vegetable oil in a bowl until moistened
4
Beat with an electric mixer on medium speed for 2 minutes, scraping bowl occasionally
5
Divide cake batter between the two prepared cake pans
6
Bake in the preheated oven until cakes have risen and are lightly golden brown, 33 to 38 minutes
7
Check for doneness after 25 minutes
8
A toothpick inserted into the center of the cakes should come out clean
9
Allow cakes to cool for about 10 minutes before removing from the pans
10
Cool cakes completely, about 40 minutes
11
Whisk 3 eggs, cornstarch, and sugar in a large bowl until well mixed and lemon colored, 2 to 3 minutes
12
Set aside
13
Heat 1 cup heavy whipping cream, whole milk, and 1/2 tablespoon butter in a large saucepan over medium heat until it just begins to boil
14
Reduce heat to low; pour egg mixture into cream mixture and whisk until thick, about 1 minute
15
Pour egg and cream mixture through a fine mesh strainer into a large bowl; discard any chunks
16
Whisk vanilla and salt into the egg and cream mixture until combined
17
Cover with a layer of plastic wrap pressed against the surface
18
Chill in refrigerator to form a pastry cream texture, 3 to 4 hours
19
Place chocolate in a large bowl
20
Heat 1 teaspoon butter and 1/2 cup heavy whipping cream in a saucepan over medium heat until butter is melted
21
Pour cream mixture over chocolate and whisk until smooth
22
Set aside until cooled, but still pourable, about 20 minutes
23
Place one cake layer on a plate, flat side up
24
Spread pastry cream to within 1-inch of the edge of cake
25
Place second cake layer on top, rounded side up
26
Press gently to push pastry cream to the edge
27
Pour chocolate mixture over top of the cake and spread so it drips over the edge