01 -
Line a 9 x 13 inch baking dish with foil or parchment paper and coat lightly with non-stick spray.
02 -
In a medium microwave-safe bowl, combine Velveeta, butter, and unsweetened chocolate. Microwave in 30 second intervals, stirring between each, until completely melted and smooth.
03 -
Gradually incorporate the powdered sugar into the melted mixture using an electric mixer, adding in small portions until smooth and fully combined.
04 -
Mix in the vanilla extract until evenly distributed.
05 -
Stir in the chopped pecans with a spoon to evenly incorporate throughout the chocolate mixture.
06 -
Pour the fudge mixture into the prepared pan and smooth the surface using a spoon or spatula.
07 -
Refrigerate for at least 3 hours or until firm. Cut into 1-inch squares and serve.