For Cake
2 cups all purpose flour
1 cup unsweetened cocoa powder
1 1/2 teaspoons baking powder
1/8 teaspoon salt
3/4 cup unsalted butter, at room temperature
1 cup packed light brown sugar
1 cup granulated sugar
3 large eggs
1 teaspoon vanilla extract
1 cup buttermilk
For Strawberry Cream Filling
1 (3 ounce) box strawberry jello
1/2 cup boiling water
1/2 cup cold water
1 pint fresh strawberries hulled and sliced and mixed with1 tablespoon granulated sugar
1 cup cold heavy whipping cream
1 teaspoon vanilla extract
For White Chocolate Frosting
4 ounces white chocolate, chopped, not chips
1 cup heavy whipping cream
Garnish
fresh whole strawberries