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An extreme close-up of a Boston cream poke cake slice on a white plate showing the fluffy yellow cake layers coated in rich glossy chocolate ganache, with a fork loaded with a bite of cake and ganache resting on the plate.

Easy Boston Cream Poke Cake (Box Mix Recipe)

This easy Boston cream poke cake starts with a yellow box mix, is filled with creamy vanilla pudding, and topped with rich chocolate frosting. It tastes like it came from a bakery but is simple to prepare and perfect for any family gathering!

  • Total Time: 55 minutes

Ingredients

Units Scale

For the cake:

  • 1 box yellow cake mix, plus ingredients called for on the box (eggs, oil, and water)

For the pudding filling:

  • 2 boxes (3.4 oz each) vanilla instant pudding mix
  • 4 cups cold milk
  • 1 teaspoon vanilla extract

For the topping:

  • 1 container of pre-made frosting (hot fudge sauce)

Instructions

  1. Bake the cake. Prepare and bake the yellow cake mix in a greased 9×13 pan according to package directions. Let the cake cool for about 5 minutes. Pro tip: You want the cake to still be slightly warm when you add the filling so it soaks in beautifully.
  2. Poke the holes. Use the handle of a wooden spoon to poke holes all over the cake, about 1 inch apart. Go all the way down to the bottom of the pan.
  3. Make the pudding filling. Whisk together both boxes of instant vanilla pudding mix with the cold milk and the vanilla until smooth. Pour the mixture over the cake and use a spatula to spread it evenly, pressing it down into the holes. Pro tip: Work quickly before the pudding starts to set so it fills every hole.
  4. Refrigerate. Cool the cake completely, and refrigerate the cake for about 1 hour before frosting.
  5. Make the frosting. Remove the frosting from its container and heat in the microwave for 10 seconds at a time until you are able to pour it onto the top of the pudding. 
  6. Top the cake. Spread the chocolate ganache evenly over the chilled cake. Drizzle the chocolate ganache over the top in a zigzag pattern or pour it over the whole top for full coverage.
  7. Chill and serve. Refrigerate for at least 30 more minutes before slicing and serving so everything sets up perfectly.

Notes

  • You can use one box and 2 cups of milk if you want less filling
  • Author: Susan Buonpane
  • Prep Time: 30 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking
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