Step 1: Prepare the Pan

• Line an 8×8-inch baking pan with parchment paper, leaving some overhang for easy removal.

Step 2: Melt the Chocolate

• In a medium saucepan over low heat, combine the semisweet chocolate chips, sweetened condensed milk, and butter. Stir continuously until melted and smooth.

Step 3: Add Flavoring

• Remove the saucepan from heat and stir in the vanilla extract until well combined.

Step 4: Color the Fudge

• Divide the fudge mixture in half. To one half, add a few drops of red food coloring and mix until you achieve your desired color. To the other half, add black food coloring and mix well.

Step 5: Layer the Fudge

• Pour the red fudge mixture into the prepared pan and spread it evenly. Refrigerate for 15 minutes to set slightly.

• Once the red layer is firm, pour the black fudge on top of the red layer and spread it evenly.

Step 6: Chill the Fudge

• Refrigerate the fudge for at least 1 hour or until fully set.

Step 7: Cut and Serve

• Once set, lift the fudge out of the pan using the parchment paper. Cut into squares and sprinkle with Halloween-themed decorations if desired.