The Mad Hatter's Uncake

photo by connermoss

- Ready In:
- 2hrs 30mins
- Ingredients:
- 23
- Yields:
-
2 loaves of cake
ingredients
-
Cake
- 1 tablespoon unsalted butter
- 3 tablespoons turbinado sugar (crystallized coarse raw)
- 3 cups all purpose flour
- 1 teaspoon baking powder
- 1⁄2 teaspoon baking soda
- 1⁄2 teaspoon salt
- 1 1⁄4 cups whole milk
- 2 teaspoons vanilla
- 1 1⁄2 cups creamy peanut butter
- 1⁄2 cup unsalted butter (softened)
- 2 cups sugar
- 1 cup packed light brown sugar
- 6 eggs (room temperature)
-
Blackberry Jam spread
- 3 cups unsweetened blackberries
- 1⁄2 cup sugar
- 1 tablespoon water
- 2 tablespoons cornstarch
- 1 teaspoon fresh lemon juice
-
Peanut butter frosting
- 1⁄3 cup creamy peanut butter
- 1⁄2 cup unsalted butter (softened)
- 3 cups sifted powdered sugar
- 1⁄4 cup whole milk
- 2 teaspoons vanilla
directions
-
Cake:
- Lower oven racks to just below the middle. Preheat oven to 350 degrees.
- Coat the inside of 9x5 inch bread loaf pans with 1 tbsp butter.
- Generously shake the turbinado sugar onto the butter.
- Whisk together flour, baking powder, baking soda, and salt and set aside.
- Combine milk and vanilla in another bowl and set aside.
- Cream peanut butter and softened stick of butter in mixer until really well mixed.
- Add white sugar and brown sugar to mixture and beat well until very light and fluffy. "Beat the hell out of it.".
- Add one egg and beat well until very light. Repeat for each egg.
- Add 1/3 flour mixture at low speed. Beat well.
- Add 1/3 milk mixture and beat well. Beat well.
- Repeat for remaining flour and milk.
- Divide batter evenly between the 2 pans.
- Space pans evenly between each other and the sides of the oven.
- Bake for 50 minutes.
- Sprinkle tops of cakes with raw sugar.
- If edges are browning, cover cakes with aluminum foil without touching the top of the cake "tent them". Do this outside of the oven to preserve the heat of the oven.
- Replace cakes in oven for 10 to 15 minutes more, only until a toothpick comes out clean.
- Cool on rack for 20 minutes.
- Remove cakes from pans.
- Overturn on racks until cooled completely.
-
Blackberry Jam spread:
- Combine berries, sugar, and water in saucepan over med-low heat.
- Simmer about 20 minutes, until berries get really juicy.
- Remove 2 tbsp of juice only from mixture and set aside to cool. Can use cracked ice to cool the bowl.
- Whisk cornstarch into cooled juice. Juice must be cooled entirely! Allow the berries on the stove to continue to simmer on low heat.
- Whisk back into the berry mixture and return heat to med-low.
- When thickened bubbles are visible, remove from heat.
- Stir in lemon juice.
- Cover and put in refrigerator for at least 30 minutes.
-
Peanut butter frosting:
- Beat peanut butter and butter on high speed until well incorporated, light and fluffy.
- Add in all powdered sugar with mixer on very low speed.
- Add milk slowly until the mixture reaches the right consistency.
- Add vanilla and mix until creamy.
-
Assembly:
- Cut off end of cake bread with a serrated knife.
- Cut slices of cake to desired thickness.
- Apply at most 3 tbsp peanut butter frosting first but do not spread much. Keep light and fluffy.
- Add at most 1 tbsp jam on top of peanut butter.
- Place second slice of cake on top and press lightly.
Questions & Replies

Got a question?
Share it with the community!
Reviews
Have any thoughts about this recipe?
Share it with the community!