brownie mosaic cheesecake

INGREDIENTS

• 4 ounces unsweetened chocolate (Baker’s chocolate, optional of course)
• 3/4 cup (1 1/2 sticks) butter
• 1 3/4cups sugar
• 3 eggs
• 1 teaspoon vanilla
• 1/2 teaspoon salt
• 1 cup flour
• 1 1/2 cups or 5 ounces (3 cups or 10 ounces to double) finely ground cookies such as chocolate wafers. Or Chocolate Teddy Grahams.
• 5 tablespoons (10 tablespoons to double) unsalted butter, melted
• 1/3 cup (2/3 cup to double) sugar
• 1/8 (1/4 teaspoon to double) teaspoon salt
• 3 (8 ounce) packages cream cheese, softened
• 4 large eggs
• 1 cup sugar
• 2 cups brownie cubes (from recipe above)
• 3 ounces bittersweet chocolate, broken up, or 1/2 cup chocolate morsels
• 2 ounces butter
• 1/4 cup heavy cream
• 1/2 teaspoon vanilla extract
• 1 tablespoon confectioners sugar