¼cup, plus 2 tablespoons unsweetened cocoa powderdivided
⅔cupmilk
1teaspoonvanilla extract
1½cupsboiling water
Instructions
Preheat the oven to 350°F. Place the butter in a 2-quart baking dish (8" square) and set in the oven to melt. Keep an eye on the butter and remove from the oven when it has melted. Set aside.
Combine the flour, baking powder, salt, ¾ cup sugar, and 2 tablespoons cocoa powder in a medium mixing bowl. Whisk to combine. Add the milk and vanilla. Whisk again until smooth.
Combine the remaining 1 cup sugar and ¼ cup cocoa powder in a small mixing bowl. Whisk to combine.
Pour the liquid batter over the butter in the baking dish. Sprinkle with the sugar and cocoa mixture. Slowly pour boiling water over the top as evenly as possible.
Bake for about 30 minutes, just until the top has set. Cool for 15 minutes before serving.
Notes
A doubled recipe will bake perfectly in a 9x13 baking dish.