Ingredients
Equipment
Method
Step-by-Step Instructions
- Step 1: Prep Pans - Preheat your oven to 350°F (175°C). Grease and flour two round cake pans and line the bottoms with parchment paper.
- Step 2: Create Buttermilk - Combine milk with vinegar or lemon juice and let rest for about 5 minutes.
- Step 3: Process Dry Ingredients - Pulse together ground pistachios and sugar; then add flour, baking powder, and salt.
- Step 4: Mix Wet Ingredients - Whisk together buttermilk, olive oil, vanilla extract, and almond extract until fully combined.
- Step 5: Combine Mixtures - Gently fold the dry ingredients into the wet mixture until just incorporated.
- Step 6: Bake - Divide the batter between the prepared pans and bake for 25-30 minutes, checking for doneness with a toothpick.
- Step 7: Cool - Allow cakes to cool in pans for 10 minutes before transferring to a wire rack; refrigerate overnight for best flavor.
- Step 8: Make Frosting - Beat softened butter with blackberry preserves; gradually add powdered sugar, vanilla extract, and salt until fluffy.
- Step 9: Assemble - Level cakes if needed; spread frosting between layers and frost the top evenly.
- Step 10: Garnish - Decorate the cake with fresh blackberries and chopped pistachios.
Nutrition
Notes
For best flavor, refrigerate cakes overnight. Use quality extra virgin olive oil for optimal taste.
