Ingredients
Cake
- 2¾ cups all-purpose flour
- 1½ cups sugar
- 1 tsp baking soda
- ½ tsp salt
- 1 cup unsalted butter, softened
- 4 oz cream cheese, softened
- 4 large eggs
- 1 tsp vanilla extract
- 1 cup buttermilk
- ½ cup pureed blackberries (fresh or frozen)
- ½ tsp red or purple food coloring (optional, for deeper velvet color)
Frosting
- 8 oz cream cheese, softened
- ½ cup unsalted butter, softened
- 3 cups powdered sugar
- 1 tsp vanilla extract
- 2–3 tbsp blackberry puree
Optional Garnish
- Fresh blackberries
- Edible flowers or purple sprinkles
Instructions
- Prep
Preheat oven to 350°F (175°C). Grease and line two 8-inch cake pans. - Dry Ingredients
Whisk flour, baking soda, and salt. - Cream Butter & Sugar
Beat butter and cream cheese until smooth. Add sugar gradually, then eggs one at a time. Mix in vanilla. - Combine
Alternate adding dry ingredients and buttermilk, starting and ending with dry ingredients. Fold in blackberry puree (and food coloring if using). - Bake
Divide batter evenly between pans. Bake 25–30 minutes until a toothpick comes out clean. Cool completely. - Frosting
Beat cream cheese and butter until creamy. Gradually add powdered sugar, vanilla, and blackberry puree until smooth. - Assemble
Frost between layers, sides, and top. Garnish with fresh blackberries or edible flowers.
✨ Deep purple cake with a subtle tart-sweet blackberry flavor, soft cream cheese frosting — utterly luxurious.


