Ingredients
- 1/3 cup unsalted butter , melted
- 3/4 cup whole milk
- 2 teaspoons vanilla extract
- 1 1/2 cups sugar
- 1 1/4 cups flour
- 1/2 cup dark cocoa powder , divided
- 2 1/4 teaspoons baking powder
- 3/4 teaspoon salt
- 1 1/2 cups light brown sugar , packed
- 1 1/2 cups hot water
Instructions
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Preheat oven to 350 degrees.
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Spread melted butter over a 9×13 baking pan.
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In a large bowl whisk together the milk, vanilla and sugar until mostly dissolved.
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Add in the flour, 1/4 cup cocoa powder, baking powder, and salt, then whisk until just combined and no dry streaks remain.
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Spoon batter over the butter, being careful to not mix the butter in.
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Mix remaining 1/4 cup cocoa powder with brown sugar and sprinkle over batter.
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Gently pour the water over the batter and sugar.
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Bake for 30-35 minutes until the top is dry.