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Ice Cream Birthday Cake

EASY Andersen family traditional birthday cake
Course Dessert
Cuisine American
Prep Time 40 minutes
Cook Time 20 minutes
Total Time 1 hour
Servings 12 people
Author heartysmarty


Brownie Crust (divided)

  • 1 Fudge Brownie Mix
  • 1/2 Cup Vegetable Oil
  • 3 Tablespoons water
  • 2 large eggs

Frosting for Topper

  • 1/2 cup salted butter softened to room temperature
  • 3 cups confectioners sugar sifted
  • 2 tablespoons milk or whipping cream
  • 1/4 teaspoon vanilla extract
  • food coloring

Ice Cream Filling

  • 1.5 quarts Cookies and Cream Ice Cream (let the child choose this flavor)
  • 1.5 quarts Vanilla Ice Cream


Brownie Crust

  • Heat oven to 350 degrees. Before making the brownie crust, remove the cookies and cream (or whatever flavor ice cream the birthday boy/girl chose) and let it soften.
  • Follow directions on the brownie mix box for making the brownie batter. Grease one 9 x 13 inch pan and one 9 inch diameter round pan. Pour enough batter to fill the round pan about 3/4 inch up the pan. Pour the remaining batter into the greased 9 x 13 inch pan.
  • Bake both pans on the same rack. Remove the round pan after 10 to 15 minutes or when a toothpick inserted 2 inches from the edge comes out mostly clean. Remove the rectangular pan after 15 to 18 minutes of baking. Let cool until the brownies firm up.

Ice Cream Filling

  • After the brownie crust has cooled and firmed, drop scoops of ice cream in a single layer along the crust.
  • With a spatula, spread the ice cream scoops into a smooth layer. Place the cake in the freezer so this first layer of ice cream can firm up. Remove the second half-gallon of ice cream (vanilla) from the freezer to start thawing. Work on the frosting and topper while it thaws.
  • Repeat the second and third step with the vanilla ice cream and smooth it over the first layer of ice cream. Return the cake to the freezer to firm up again while you work on the topper.

Frosting for Topper

  • In a mixer, beat softened butter for about 1 minute until smooth.
  • On low speed, add confectioner's sugar (powdered sugar) to the butter. Once it begins to form coarse clumps, add the milk (or cream), vanilla and food coloring and mix another minute or two until a smooth, creamy frosting is formed.

Brownie Topper

  • Remove brownie from the round pan and place on a decorating turn table or cooling rack. Frost the top and sides of the topper with frosting.
  • Decorate the topper with candies, more frosting, toys, or whatever your birthday girl/boy wants! Store topper in the fridge and place atop the ice cream cake just before serving. Enjoy!