chocolate-blueberry cake with blueberry buttercream

 

batter 

4 large eggs

2 cups sugar

1 cup olive oil

2 cups (250 g) all-purpose flour

1 cup (95 g) almond meal or almond flour

2 teaspoons baking powder

1/2 teaspoon kosher salt

1 cup milk, alt milk, water, soda water

cocoa powder mix

1/2 cup (50 g) cocoa powder

1/2 cup (100 g) sugar

1/3 cup warm water

blueberry swirl filling 

200g blueberries (1 ½ cups)
10g powdered sugar (2 tablespoons)
8g lemon juice (1 tablespoon)
½ teaspoon vanilla extract

blueberry buttercream

2 stick butter

16 oz powder sugar

1/4 -1/2 cup blueberry compote 

1/4 tsp salt

blueberry compote 

1 cup blueberries

1 TB lemon juice

1 tsp corn starch 

2 TB water  

cook the berries, juice and some of the water on low while pressing the berries to break them up. once they are cooking and letting the juices out add the corn starch and water to thicken. 

next blend in a blender to smooth out the chunk.