Cheesecake
3/4 cup sugar
3 tablespoons cornstarch
4 8-ounce boxes of cream cheese
1tablespoon lemon juice
2 teaspoons vanills extract
2 eggs
2 tablespoons heavy cream
2 tablespoons sour cream
For brownies:
Preheat oven to 350°F. Grease a 13 x 9 x 2 -inch baking pan
Sift together sugar, flour, cocoa powder, salt, and baking powder in a large mixing bowl
Beat flour mixture and eggs on low speed using an electric mixer, scraping bowl occasionally and mixing until smooth. Slowly add melted butter and beat until just combined; do not overmix. Fold in chocolate chips
Transfer batter to prepared baking pan. Bake until a toothpick inserted in the center comes out clean, about 30 minutes. Remove from oven and set aside to cool
For cheesecake:
Preheat oven to 325°F. Cream sugar, cornstarch and cream cheese in a large bowl using an electric mixer
Add lemon juice and vainilla extract, mixing thoroughly. Add eggs one at a time, scraping the bowl with each addition. Fold in heavy cream and sour cream.
Spread batter on top of already baked brownies. Bake until cheesecake is lightly browned and firm, about 55-60 minutes
Cool completely and refrigerante at least 1 hoir before serving