Brownie Mosaic Cheesecake

Ingredients

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