Alton Brown's Black & White Brownies

Ingredients

• 2 cups plain yogurt
• 4 large eggs
• 8 ounces melted butter
• 1 cup sugar, sifted
• 1 cup brown sugar, sifted
• 1 1/4 cups cocoa, sifted
• 1 tablespoon vanilla extract
• 1/2 cup all-purpose flour, sifted
• 1/2 teaspoon kosher salt
• 1/2 cup chopped walnuts

FOR THE TOP LAYER

• 1/3 cup sugar
• 3 eggs
• 1/4 cup all-purpose flour
• 1 teaspoon vanilla extract

Directions

1. 1

   PreHeat oven to 350° F.

2. 2

   In a mixer fitted with a whisk attachment, beat the eggs at medium speed until fluffy and light yellow.

3. 3

   Add both sugars.

4. 4

   Add remaining ingredients and mix to combine.

5. 5

   Pour the batter into a greased and floured eight–inch square pan.

6. 6

   Reserve five small spoonfuls.

7. 7

   In a separate bowl, combine ingredients for the top layer.

8. 8

   Whisk until smooth.

9. 9

   Pour over top of chocolate layer.

10. 10

    Top with the reserved five spoonfuls of brownie mixture and swirl together with a spoon.

11. 11

    Bake for forty–five minutes or until a toothpick inserted into the center of the pan comes out clean.

12. 12

    Remove to a rack to cool.

13. 13

    When completely cool, cover and store at room temperature.