Cheesecake Brownies

INGREDIENTS

• 8 ounces reduced-fat cream cheese (Neufchatel)
• 1/2 teaspoon vanilla extract
• 2 teaspoons vanilla extract
• 1 large egg
• 2 tablespoons canola oil
• 1/4 cup granulated sugar
• 1/3 cup sugar
• 1 cup all-purpose flour
• Pinch cayenne pepper
• Cooking spray
• 1/2 cup unsweetened Dutch-process cocoa powder
• 3/4 cup packed dark brown sugar
• 1 teaspoon baking powder
• 3 tablespoons unsalted butter
• 1/2 cup lowfat buttermilk
• 1/2 teaspoon fine sea salt
• 2 ounces semisweet chocolate, coarsely chopped
• 2 large egg whites