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Preheat your oven to 350°F (175°C). Lightly grease a 13x9x2 inch baking pan with non-stick cooking spray, then dust with all-purpose flour, tapping out any excess. This helps prevent sticking and ensures easy removal.

In a large mixing bowl, combine the box brownie mix, large eggs, water, and vegetable oil. Stir with a spoon or whisk until just combined. Be careful not to overmix, as this can lead to tough brownies.

Gently fold in the chopped walnuts or pecans until evenly distributed throughout the batter.

Pour the brownie batter into the prepared 13x9x2 inch baking pan, spreading it evenly with a spatula.

Evenly sprinkle the 2 tablespoons of granulated sugar over the entire surface of the brownie batter. This will create a beautiful, sparkling, and slightly crisp crust.

Bake for 28 to 32 minutes, or until a wooden toothpick inserted into the center comes out with moist crumbs, but not wet batter. The exact baking time may vary depending on your oven.

Remove the pan from the oven and place it on a wire rack to cool completely. This is crucial for achieving clean cuts and the best texture. Cooling can take 1 to 2 hours.

Once completely cooled, cut the brownies into 4 large, generous squares. Serve and enjoy your sparkling sugar crust brownies!


Preheat your oven to 350°F (175°C). Lightly grease a 13x9x2 inch baking pan with non-stick cooking spray, then dust with all-purpose flour, tapping out any excess. This helps prevent sticking and ensures easy removal.

In a large mixing bowl, combine the box brownie mix, large eggs, water, and vegetable oil. Stir with a spoon or whisk until just combined. Be careful not to overmix, as this can lead to tough brownies.

Gently fold in the chopped walnuts or pecans until evenly distributed throughout the batter.

Pour the brownie batter into the prepared 13x9x2 inch baking pan, spreading it evenly with a spatula.

Evenly sprinkle the 2 tablespoons of granulated sugar over the entire surface of the brownie batter. This will create a beautiful, sparkling, and slightly crisp crust.

Bake for 28 to 32 minutes, or until a wooden toothpick inserted into the center comes out with moist crumbs, but not wet batter. The exact baking time may vary depending on your oven.

Remove the pan from the oven and place it on a wire rack to cool completely. This is crucial for achieving clean cuts and the best texture. Cooling can take 1 to 2 hours.

Once completely cooled, cut the brownies into 4 large, generous squares. Serve and enjoy your sparkling sugar crust brownies!
