
If you are in need of a gianormous tasty cake that will feed a crowd, this is definitely a cake to consider. Especially for peanut butter people. I mean people who like peanut butter, not people made of peanut butter, that would be cannibalism!
Ingredients
Cake
- 1 cup unsalted butter, softened
- 1/2 cup creamy peanut butter
- 3/4 cup white granulated sugar
- 3/4 cup packed brown sugar
- 4 large eggs, room temperature
- 1 tsp vanilla extract
- 2 3/4 cups all-purpose flour
- ¼ cup cornstarch
- 1 tsp fine sea salt
- 1 tsp baking powder
- 1 cup milk
Frosting (optional)
- 1/2 cup unsalted butter, softened
- 1/2 cup creamy peanut butter
- 2 TBSP milk
- 3 cups powdered sugar
Instructions
Cake
- Preheat oven to 325°. Spray a 10-in. fluted tube pan with nonstick spray and set aside.
- Sift or whisk together the flour, cornstarch, salt, baking powder and set aside.
- In the bowl of a stand mixer fitted with the paddle attachment, beat the butter, peanut butter and sugars until well mixed and light, 3 to 5 minutes.
- Add the eggs one at a time, beating well after each addition. Add the vanilla with the last egg.
- Add the dry mixture alternately with the milk. Start and end with the dry, and making sure each addition is just mixed in.
- Pour the batter into the prepared pan and run a knife through (don’t touch the sides or the bottom of the pan) to make sure there are no large pockets of air.
- Bake for 55 to 65 minutes, or until a toothpick inserted in middle comes out clean.
- Cool in the pan for 10 minutes, then invert onto a cooling rack until completely cooled.
- Dust with powdered sugar, or use the frosting below.
Frosting
- In the bowl of a stand mixer fitted with the whisk attachment, whip the butter, peanut butter, and milk until well mixed.
- Add the powdered sugar and whip until smooth.
Makes 1 Gianormous Cake! (About 24 servings)
Notes
I tried to carefully make a trench in the bottom of the cake and fill it with the frosting and add back some of the cake I dugout. It wasn’t a big success. It wasn’t horrible, no one complained, but I wouldn’t do it again. I’d either frost the whole outside or just dust it lightly with powdered sugar and skip the frosting altogether.

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