Alton Brown'S Black & White Brownies

• 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

1. PreHeat oven to 350u0b0 F.
2. In a mixer fitted with a whisk attachment, beat the eggs at medium speed until fluffy and light yellow.
3. Add both sugars.
4. Add remaining ingredients and mix to combine.
5. Pour the batter into a greased and floured eight-inch square pan.
6. Reserve five small spoonfuls.
7. In a separate bowl, combine ingredients for the top layer.
8. Whisk until smooth.
9. Pour over top of chocolate layer.
10. Top with the reserved five spoonfuls of brownie mixture and swirl together with a spoon.
11. Bake for forty-five minutes or until a toothpick inserted into the center of the pan comes out clean.
12. Remove to a rack to cool.
13. When completely cool, cover and store at room temperature.

plain yogurt, eggs, butter, sugar, brown sugar, cocoa, vanilla, allpurpose flour, kosher salt, walnuts, layer, sugar, eggs, flour, vanilla

Taken from www.food.com/recipe/alton-browns-black-white-brownies-44287 (may not work)