Yield: 9 to 16 Servings

Alton Brown / Food Network

• Soft butter, for greasing the pan
• Flour, for dusting the buttered pan
• 4large eggs
• 1cup sugar, sifted
• 1cup brown sugar, sifted
• 8oz melted butter
• 1¼cups cocoa, sifted
• 2tsp vanilla extract
• ½cup flour, sifted
• ½tsp kosher salt

Preheat the oven to 300°F. Butter and flour an 8-inch square pan.

In a mixer fitted with a whisk attachment, beat the eggs at medium speed until fluffy and light yellow. Add both sugars. Add remaining ingredients, and mix to combine.

Pour the batter into a greased and floured 8-inch square pan and bake for 45 minutes. Check for doneness with the tried-and-true toothpick method: a toothpick inserted into the center of the pan should come out clean. When it’s done, remove to a rack to cool. Resist the temptation to cut into it until it’s mostly cool.