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Rainbow Poke Cake on white plate with fork
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5 from 2 votes

Amazing Rainbow Poke Cake

This Amazing Rainbow Poke Cake is absolutely incredible! Super moist, flavorful, easy to make and such a show-stopping, magnificent dessert!
Prep Time2 hrs 20 mins
Cook Time25 mins
Total Time2 hrs 45 mins
Course: Cake, Cakes/Cupcakes, Dessert
Cuisine: American, Dessert

Ingredients

  • One box white or vanilla cake mix
  • 3 large eggs
  • cup vegetable or canola oil
  • 1 cup water or milk
  • Two (3.4 oz each) boxes instant vanilla pudding mix
  • 3 cups milk
  • cups heavy whipping cream
  • ¼ cup confectioners' sugar
  • Rainbow sprinkles
  • Assorted food coloring

Instructions

  • Preheat oven to 350° degrees F. Liberally grease a 13x9 rectangular light metal baking pan with cooking spray; set aside.
  • In a large bowl, beat together the cake mix, eggs, oil, and water with a handheld electric mixer until creamy and incorporated, about 2 minutes. Evenly divide the batter among 5 or 6 smaller bowls and tint each bowl a different color of the rainbow.
  • Spoon the different colored batters randomly into the pan in no particular order until all of the batter has been added to the pan. Resist the urge to swirl with a knife; this will muddy the colors.
  • Bake for approximately 25-30 minutes or until a toothpick inserted near the center comes out clean or with moist, but not wet, crumbs. Cool completely.
  • In a medium bowl, whisk together the pudding mix and milk until combined. Poke holes all over the surface of the cake using the handle of a wooden spoon, then pour the pudding mix over the holes. Cover and refrigerate for at least 2 hours to set.
  • Just before serving, make the whipped cream frosting. In the bowl of a stand mixer, beat the heavy whipping cream and confectioners' sugar together with a whisk attachment on HIGH speed until stiff peaks form, about 5-7 minutes. Frost the cake with the whipped cream, then garnish with the rainbow sprinkles. Store any leftover cake covered in the refrigerator.