8 ounces Velveeta, cubed 
3/4 cup butter 
6 ounces unsweetened chocolate, chopped 
2 pounds (8 cups) confectioners' sugar 
1 teaspoon vanilla extract 
1-1/2 cups chopped pecans
1Line a 13x9-in. baking dish with waxed paper. 
2Place velveeta, butter and chocolate in a large microwave-safe bowl. Microwave in 30 second increments, stirring in between, until melted. Slowly add confectioners' sugar to the chocolate mixture while beating on medium-low speed until incorporated, 2 to 3 minutes. Beat in vanilla extract. Fold in pecans. 
3Transfer fudge mixture to prepared baking dish; smooth into an even layer. Cover; refrigerate at least 4 hours. Cut into 1-inch squares.
Total Time
Prep/Total Time: 10 Min. + Chilling
Velveeta fudge sounds like a crazy idea, but it turns out it's crazy enough to work, resulting in a delightful treat. 
Nutrition Facts
1 piece: 66 calories, 3g fat (2g saturated fat), 5mg cholesterol, 35mg sodium, 9g carbohydrate (8g sugars, 0 fiber), 1g protein.