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Preheat your oven to 350°F. Line a 9x13 inch baking pan with parchment paper, leaving an overhang on the sides to easily lift the cake out later.

In a large mixing bowl, combine the granulated sugar, all-purpose flour, cocoa powder, baking powder, baking soda, and salt. Whisk these dry ingredients together thoroughly until they are well combined and there are no lumps.

In a separate medium-sized bowl, add the milk, vegetable oil, eggs, and vanilla extract. Whisk these wet ingredients together until they are fully incorporated.

Pour the wet ingredient mixture into the bowl containing the dry ingredients. Mix with a whisk or spatula until just combined. Be careful not to overmix; a few small lumps are acceptable.

Carefully pour the hot water into the batter. Stir gently until the batter is smooth and all ingredients are well-mixed. The batter will be thin.

Pour the prepared batter evenly into the lined 9x13 inch baking pan.

Bake in the preheated oven for 30 to 35 minutes, or until a wooden toothpick inserted into the center of the cake comes out clean. The top should spring back lightly when touched.

Once baked, remove the pan from the oven and let the cake cool completely in the pan on a wire rack. This passive cooling time is crucial for the cake to set properly and prevent it from crumbling when cut.

Once cooled, use the parchment paper overhang to lift the cake out of the pan. Place it on a cutting board and cut into desired squares or rectangles. Dust generously with powdered sugar before serving.


Preheat your oven to 350°F. Line a 9x13 inch baking pan with parchment paper, leaving an overhang on the sides to easily lift the cake out later.

In a large mixing bowl, combine the granulated sugar, all-purpose flour, cocoa powder, baking powder, baking soda, and salt. Whisk these dry ingredients together thoroughly until they are well combined and there are no lumps.

In a separate medium-sized bowl, add the milk, vegetable oil, eggs, and vanilla extract. Whisk these wet ingredients together until they are fully incorporated.

Pour the wet ingredient mixture into the bowl containing the dry ingredients. Mix with a whisk or spatula until just combined. Be careful not to overmix; a few small lumps are acceptable.

Carefully pour the hot water into the batter. Stir gently until the batter is smooth and all ingredients are well-mixed. The batter will be thin.

Pour the prepared batter evenly into the lined 9x13 inch baking pan.

Bake in the preheated oven for 30 to 35 minutes, or until a wooden toothpick inserted into the center of the cake comes out clean. The top should spring back lightly when touched.

Once baked, remove the pan from the oven and let the cake cool completely in the pan on a wire rack. This passive cooling time is crucial for the cake to set properly and prevent it from crumbling when cut.

Once cooled, use the parchment paper overhang to lift the cake out of the pan. Place it on a cutting board and cut into desired squares or rectangles. Dust generously with powdered sugar before serving.
