Ingredients:
- 6 ounces white chocolate, finely chopped
- 3 sticks unsalted butter, at room temperature
- 1 teaspoon vanilla extract
- Pinch of salt
- 3 cups confectioners' sugar
- Basic Vanilla Cake, recipe follows, baked and cooled
- 15 chocolate sandwich cookies or other cookies, chopped
- 2 sticks unsalted butter, at room temperature, plus more for the pans
- 3 cups all-purpose flour, plus more for the pans
- 1 tablespoon baking powder
- 1/2 teaspoon salt
- 1 1/2 cups sugar
- 4 large eggs, at room temperature
- 1 tablespoon vanilla extract
- 3/4 cup heavy cream
