Categories: dessert

Ingredients

• 1 tsp baking powder
• 4 egg whites
• 8 egg yolks
• 2 cups flour
• 3 cups sugar
• 1 cup milk chocolate chips
• 1 tsp salt
• 1 1/2 cups unsalted butter
• 10 oz unsweetened chocolate
• 2 tsp vanilla extract

Directions

1. Butter a 9-by-13-inch baking pan. Preheat an oven to 350 degrees F.

2. In the top pan of a double boiler combine the butter and chocolate and stir until melted and smooth. Remove from the heat and let cool.

3. In a bowl, beat together the egg yolks and granulated sugar until the mixture is wet and clumpy. Add the whites and mix until homogeneous

4. Stir in the vanilla and the cooled butter-chocolate mixture until no streaks remain; do not overmix. Using a rubber spatula, fold in the flour, baking powder and salt until just blended, add the chocolate chips, and continue folding.

5. Pour the batter into the prepared pan. Bake until when you shake the pan, they no longer jiggle – about 45 minutes.

6. Transfer to a rack and let cool in the pan.

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