For Cake
3 cups all purpose flour
3 teaspoons baking powder
1 teaspoon salt
1 cup unsalted butter, at room temperature
4 large eggs
2 large egg yolks
2 cups buttermilk
1 1/2 teaspoons vanilla extract
For Berry Syrup
1/4 cup rasberry or strawberry jam, depending on fruit you use
2 tablespoon water
For Whipped Cream Filling and Frosting
3 cups heavy whipping cream, cold
8 ounces marscapone cheese, at room temperature
1/8 teaspoon salt
1 tablespoon unfavorable gelatin
1/4 cup cold water
2 cups confectioner's sugar
2 teaspoons vanilla extract
3 cups fresh assorted berries plus more for garnish
as needed chocolate shavings for garnish,