2 ½cupssugar, divided use(380 grams and 100 grams)
4largeeggs, divided use
2teaspoonvanilla
1cupall-purpose flour(4.5 oz/126 grams)
½teaspoonsaltincrease to 1 if using unsalted butter
1cupchopped walnuts or pecans
8ozsoftened cream cheese(228 grams)
Instructions
Preheat oven to 350 degrees F. Grease and flour a 9x13 inch pan or line it with parchment paper or nonstick foil. Pick your poison.
Melt butter and chocolate together in a small saucepan over low heat or in the top of a double boiler or in the microwave. Set aside to cool slightly.
Place only 2 cups of the sugar and just 3 of the eggs in the mixing bowl.
Using the the flat blade, beat on mixer speed 4 for about 90 seconds. Scrape side of bowl and still on speed 4, add chocolate mixture and 1 teaspoon of the vanilla.
Beat until well blended, then scrape bowl and add flour, salt and walnuts.
Place remaining ½ cup of sugar, egg, 1 teaspoon of vanilla and the softened cream cheese in a clean mixer bowl and beat for 30 seconds. Turn to speed 6 and beat for a minute! Woo! Speed 6!
Drop chocolate and cream cheese batters alternately into the pan. Swirl lightly with a knife. Bake at 350 for 45 minutes. you may want to check at 35.
Let cool completely, then remove from the pan and cut into squares.