Ingredients
Brownie batter:
1 stick unsalted butter, cut into pieces
3 oz unsweetened chocolate, chopped
1 cup sugar
2 large eggs
1/2 teaspoon pure vanilla extract
2/3 cup all-purpose flour
Cheesecake batter:
12 oz cream cheese, well softened
1/2 cup sugar
1 large egg plus 2 egg whites
1/2 teaspoon pure vanilla extract
1/2 cup semisweet chocolate chips
Preparation