Preheat your oven to 350°F (175°C) and grease an 8x8-inch baking pan or line it with parchment paper.

In a medium saucepan over low heat, combine the unsalted butter, granulated sugar, and cocoa powder. Stir until melted and smooth, about 5 minutes. Remove from heat and allow to cool slightly.

Whisk in the large eggs one at a time, making sure each is fully incorporated before adding the next. Mix until glossy and well-blended.

Sift together the all-purpose flour and a pinch of salt in a separate bowl. Gently fold this dry mixture into the chocolate batter.

Pour the brownie batter into the prepared baking pan and spread evenly. Bake for 25-30 minutes, checking for doneness with a toothpick.

Remove the brownies from the oven and let them cool in the pan for about 10-15 minutes before transferring to a wire rack.

Melt the white chocolate chips until smooth and mix in a drop of black gel food coloring if desired.

Use a piping bag or a spoon to drizzle the melted white chocolate over the brownies in a spider web pattern.

Once set, cut the brownies into squares to serve. Enjoy your Spooky Spider Web Halloween Brownies!